Adopts With Amendments
Chapter 5
Special Occupancies
National Electrical Code 2023
[F] 230.1 Scope
Section 230.1 — Scope. This section establishes the scope, applicability, and administrative provisions for enforcement of this code. Refer to the official code text for complete requirements.
[F] 230.10 Vegetation as Support
Section 230.10 — Vegetation as Support. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 230.2 Number of Services
Section 230.2 — Number of Services. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 230.2.A Special Conditions
Section 230.2.A — Special Conditions. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 230.2.B Special Occupancies
Section 230.2.B — Special Occupancies. This section establishes occupancy classification and use requirements that determine applicable building code provisions. Refer to the official code text for complete requirements.
[F] 230.2.C Capacity Requirements
Section 230.2.C — Capacity Requirements. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 230.22 Insulation or Covering
Section 230.22 — Insulation or Covering. This section addresses energy conservation requirements including thermal performance and building envelope specifications. Refer to the official code text for complete requirements.
[F] 230.23 Size and Rating
Section 230.23 — Size and Rating. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 230.24 Clearances
Section 230.24 — Clearances. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 230.26 Point of Attachment
Section 230.26 — Point of Attachment. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 230.28 Service Masts as Supports
Section 230.28 — Service Masts as Supports. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 230.30 Underground Service-Lateral and Service-Entrance Conductors
Section 230.30 — Underground Service-Lateral and Service-Entrance Conductors. This section addresses mechanical system requirements including ventilation, ductwork, and equipment specifications. Refer to the official code text for complete requirements.
[F] 230.31 Size and Rating
Section 230.31 — Size and Rating. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 230.32 Protection Against Damage
Section 230.32 — Protection Against Damage. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 230.40 Number of Service-Entrance Conductor Sets
Section 230.40 — Number of Service-Entrance Conductor Sets. This section addresses mechanical system requirements including ventilation, ductwork, and equipment specifications. Refer to the official code text for complete requirements.
[F] 230.42 Minimum Size and Rating
Section 230.42 — Minimum Size and Rating. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 230.43 Wiring Methods for 1000 Volts, Nominal, or Less
Section 230.43 — Wiring Methods for 1000 Volts, Nominal, or Less. This section covers electrical installation requirements. Specific conductor sizing, circuit protection, and installation methods are in the official code. Refer to the official code text for complete requirements.
[F] 230.44 Cable Trays
Section 230.44 — Cable Trays. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 230.46 Spliced Conductors
Section 230.46 — Spliced Conductors. This section addresses mechanical system requirements including ventilation, ductwork, and equipment specifications. Refer to the official code text for complete requirements.
[F] 230.50 Protection of Open Conductors and Cables Against Damage
Section 230.50 — Protection of Open Conductors and Cables Against Damage. This section addresses mechanical system requirements including ventilation, ductwork, and equipment specifications. Refer to the official code text for complete requirements.
[F] 230.54 Overhead Service Locations
Section 230.54 — Overhead Service Locations. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 230.6 Conductors Considered Outside the Building
Section 230.6 — Conductors Considered Outside the Building. This section addresses mechanical system requirements including ventilation, ductwork, and equipment specifications. Refer to the official code text for complete requirements.
[F] 230.62 Service Equipment - Enclosed or Guarded
Section 230.62 — Service Equipment - Enclosed or Guarded. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 230.66 Marking
Section 230.66 — Marking. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 230.7 Other Conductors in Raceway or Cable
Section 230.7 — Other Conductors in Raceway or Cable. This section addresses mechanical system requirements including ventilation, ductwork, and equipment specifications. Refer to the official code text for complete requirements.
[F] 230.70 General
Section 230.70 — General. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 230.70.A Location
Section 230.70.A — Location. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 230.71 Maximum Number of Disconnects
Section 230.71 — Maximum Number of Disconnects. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 230.72 Grouping of Disconnects
Section 230.72 — Grouping of Disconnects. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 230.75 Disconnection of Grounded Conductor
Section 230.75 — Disconnection of Grounded Conductor. This section addresses mechanical system requirements including ventilation, ductwork, and equipment specifications. Refer to the official code text for complete requirements.
[F] 230.79 Rating of Service Disconnecting Means
Section 230.79 — Rating of Service Disconnecting Means. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 230.8 Raceway Seal
Section 230.8 — Raceway Seal. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 230.82 Equipment Connected to the Supply Side of Service Disconnect
Section 230.82 — Equipment Connected to the Supply Side of Service Disconnect. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 230.85 Emergency Disconnects
Section 230.85 — Emergency Disconnects. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 230.9 Clearances on Buildings
Section 230.9 — Clearances on Buildings. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 230.90 Where Required
Section 230.90 — Where Required. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 230.90.A Ungrounded Conductor
Section 230.90.A — Ungrounded Conductor. This section addresses mechanical system requirements including ventilation, ductwork, and equipment specifications. Refer to the official code text for complete requirements.
[F] 230.91 Location
Section 230.91 — Location. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 230.93 Ground-Fault Protection of Equipment
Section 230.93 — Ground-Fault Protection of Equipment. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 230.95 Ground-Fault Protection of Equipment
Section 230.95 — Ground-Fault Protection of Equipment. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 250.1 Scope
Section 250.1 — Scope. This section establishes the scope, applicability, and administrative provisions for enforcement of this code. Refer to the official code text for complete requirements.
[F] 250.10 Protection of Grounding and Bonding Conductors
Section 250.10 — Protection of Grounding and Bonding Conductors. This section addresses mechanical system requirements including ventilation, ductwork, and equipment specifications. Refer to the official code text for complete requirements.
[F] 250.100 Bonding in Hazardous Locations
Section 250.100 — Bonding in Hazardous Locations. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 250.102 Bonding Conductors and Jumpers
Section 250.102 — Bonding Conductors and Jumpers. This section addresses mechanical system requirements including ventilation, ductwork, and equipment specifications. Refer to the official code text for complete requirements.
[F] 250.102(A) Material
Section 250.102(A) — Material. This section specifies construction material requirements and standards. Refer to the official code for specific material specifications and testing standards. Refer to the official code text for complete requirements.
[F] 250.102(B) Attachment
Section 250.102(B) — Attachment. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 250.102(C) Size - Supply-Side Bonding Jumper
Section 250.102(C) — Size - Supply-Side Bonding Jumper. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 250.102(C)(T) Table 250.102(C)(1) - Supply-Side Bonding Jumper Sizing
Section 250.102(C)(T) — Table 250.102(C)(1) - Supply-Side Bonding Jumper Sizing. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 250.102(D) Size - Equipment Bonding Jumper on Load Side
Section 250.102(D) — Size - Equipment Bonding Jumper on Load Side. This section covers structural design and loading requirements. Specific values and calculation methods are defined in the official code text. Refer to the official code text for complete requirements.
[F] 250.104 Bonding of Piping Systems and Exposed Structural Steel
Section 250.104 — Bonding of Piping Systems and Exposed Structural Steel. This section covers structural design and loading requirements. Specific values and calculation methods are defined in the official code text. Refer to the official code text for complete requirements.
[F] 250.104(A) Metal Water Piping
Section 250.104(A) — Metal Water Piping. This section covers plumbing system requirements. Specific sizing, materials, and installation methods are in the official code text. Refer to the official code text for complete requirements.
[F] 250.104(B) Other Metal Piping
Section 250.104(B) — Other Metal Piping. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 250.104(C) Structural Metal Bonding
Section 250.104(C) — Structural Metal Bonding. This section covers structural design and loading requirements. Specific values and calculation methods are defined in the official code text. Refer to the official code text for complete requirements.
[F] 250.104(D) Separately Derived Systems - Piping Bonding
Section 250.104(D) — Separately Derived Systems - Piping Bonding. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 250.110 Equipment Fastened in Place or Connected by Permanent Wiring Methods
Section 250.110 — Equipment Fastened in Place or Connected by Permanent Wiring Methods. This section covers electrical installation requirements. Specific conductor sizing, circuit protection, and installation methods are in the official code. Refer to the official code text for complete requirements.
[F] 250.112 Specific Equipment Fastened in Place or Connected by Wiring Methods
Section 250.112 — Specific Equipment Fastened in Place or Connected by Wiring Methods. This section covers electrical installation requirements. Specific conductor sizing, circuit protection, and installation methods are in the official code. Refer to the official code text for complete requirements.
[F] 250.114 Equipment Connected by Cord and Plug
Section 250.114 — Equipment Connected by Cord and Plug. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 250.118 Types of Equipment Grounding Conductors
Section 250.118 — Types of Equipment Grounding Conductors. This section addresses mechanical system requirements including ventilation, ductwork, and equipment specifications. Refer to the official code text for complete requirements.
[F] 250.119 Identification of EGC
Section 250.119 — Identification of EGC. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 250.12 Clean Surfaces
Section 250.12 — Clean Surfaces. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 250.120 Equipment Grounding Conductor Installation
Section 250.120 — Equipment Grounding Conductor Installation. This section addresses mechanical system requirements including ventilation, ductwork, and equipment specifications. Refer to the official code text for complete requirements.
[F] 250.122 Size of Equipment Grounding Conductors
Section 250.122 — Size of Equipment Grounding Conductors. This section addresses mechanical system requirements including ventilation, ductwork, and equipment specifications. Refer to the official code text for complete requirements.
[F] 250.122(A) Table 250.122 - EGC Sizing
Section 250.122(A) — Table 250.122 - EGC Sizing. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 250.122(B) Increased in Size
Section 250.122(B) — Increased in Size. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 250.122(F) Conductors in Parallel
Section 250.122(F) — Conductors in Parallel. This section addresses mechanical system requirements including ventilation, ductwork, and equipment specifications. Refer to the official code text for complete requirements.
[F] 250.122(T) Table 250.122 - EGC Sizing
Section 250.122(T) — Table 250.122 - EGC Sizing. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 250.130 Equipment Grounding Conductor Connections
Section 250.130 — Equipment Grounding Conductor Connections. This section addresses mechanical system requirements including ventilation, ductwork, and equipment specifications. Refer to the official code text for complete requirements.
[F] 250.134 Equipment Fastened in Place or Connected by Permanent Wiring Methods
Section 250.134 — Equipment Fastened in Place or Connected by Permanent Wiring Methods. This section covers electrical installation requirements. Specific conductor sizing, circuit protection, and installation methods are in the official code. Refer to the official code text for complete requirements.
[F] 250.138 Cord-and-Plug-Connected Equipment Grounding
Section 250.138 — Cord-and-Plug-Connected Equipment Grounding. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 250.140 Frames of Ranges and Clothes Dryers
Section 250.140 — Frames of Ranges and Clothes Dryers. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 250.142 Use of Grounded Circuit Conductor for Grounding Equipment
Section 250.142 — Use of Grounded Circuit Conductor for Grounding Equipment. This section addresses mechanical system requirements including ventilation, ductwork, and equipment specifications. Refer to the official code text for complete requirements.
[F] 250.146 Connecting Receptacle Grounding Terminal
Section 250.146 — Connecting Receptacle Grounding Terminal. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 250.148 Continuity and Attachment of Equipment Grounding Conductors to Boxes
Section 250.148 — Continuity and Attachment of Equipment Grounding Conductors to Boxes. This section addresses mechanical system requirements including ventilation, ductwork, and equipment specifications. Refer to the official code text for complete requirements.
[F] 250.166 Size of DC Grounding Electrode Conductor
Section 250.166 — Size of DC Grounding Electrode Conductor. This section addresses mechanical system requirements including ventilation, ductwork, and equipment specifications. Refer to the official code text for complete requirements.
[F] 250.170 Instrument Transformers, Relays, and Similar Equipment
Section 250.170 — Instrument Transformers, Relays, and Similar Equipment. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 250.184 Solidly Grounded Neutral Systems Over 1000 Volts
Section 250.184 — Solidly Grounded Neutral Systems Over 1000 Volts. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 250.186 Ground-Fault Circuit Interrupter Protection for Personnel - Systems Over 1000 Volts
Section 250.186 — Ground-Fault Circuit Interrupter Protection for Personnel - Systems Over 1000 Volts. This section covers electrical installation requirements. Specific conductor sizing, circuit protection, and installation methods are in the official code. Refer to the official code text for complete requirements.
[F] 250.188 Grounding of Systems Supplying Portable Equipment Over 1000 Volts
Section 250.188 — Grounding of Systems Supplying Portable Equipment Over 1000 Volts. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 250.190 Grounding of Equipment Over 1000 Volts
Section 250.190 — Grounding of Equipment Over 1000 Volts. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 250.190(A) Equipment Grounding Over 1000V - General
Section 250.190(A) — Equipment Grounding Over 1000V - General. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 250.190(B) Equipment Grounding Over 1000V - Grounding Electrode Conductor
Section 250.190(B) — Equipment Grounding Over 1000V - Grounding Electrode Conductor. This section addresses mechanical system requirements including ventilation, ductwork, and equipment specifications. Refer to the official code text for complete requirements.
[F] 250.190(C) Equipment Grounding Over 1000V - Equipment Grounding Conductor Sizing
Section 250.190(C) — Equipment Grounding Over 1000V - Equipment Grounding Conductor Sizing. This section addresses mechanical system requirements including ventilation, ductwork, and equipment specifications. Refer to the official code text for complete requirements.
[F] 250.2 Definitions
Section 250.2 — Definitions. This section provides definitions relevant to the code. Defined terms have specific meanings that affect how requirements are applied throughout the code. Refer to the official code text for complete requirements.
[F] 250.20 AC Systems to Be Grounded
Section 250.20 — AC Systems to Be Grounded. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 250.20(A) AC Systems of 50 to 150 Volts
Section 250.20(A) — AC Systems of 50 to 150 Volts. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 250.20(B) AC Systems 50V to 1000V to Be Grounded
Section 250.20(B) — AC Systems 50V to 1000V to Be Grounded. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 250.21 Alternating-Current Systems of 50 Volts to 1000 Volts Not Required to Be Grounded
Section 250.21 — Alternating-Current Systems of 50 Volts to 1000 Volts Not Required to Be Grounded. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 250.24 Grounding Service-Supplied Systems
Section 250.24 — Grounding Service-Supplied Systems. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 250.24(A) System Grounding Connections
Section 250.24(A) — System Grounding Connections. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 250.24(A)(1) Main Bonding Jumper
Section 250.24(A)(1) — Main Bonding Jumper. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 250.24(B) Main Bonding Jumper
Section 250.24(B) — Main Bonding Jumper. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 250.24(C) Grounded Conductor Brought to Service Equipment
Section 250.24(C) — Grounded Conductor Brought to Service Equipment. This section addresses mechanical system requirements including ventilation, ductwork, and equipment specifications. Refer to the official code text for complete requirements.
[F] 250.24(D) Grounding Electrode Conductor
Section 250.24(D) — Grounding Electrode Conductor. This section addresses mechanical system requirements including ventilation, ductwork, and equipment specifications. Refer to the official code text for complete requirements.
[F] 250.24(E) Ungrounded System Grounding Connections
Section 250.24(E) — Ungrounded System Grounding Connections. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 250.26 Conductor to Be Grounded - AC Systems
Section 250.26 — Conductor to Be Grounded - AC Systems. This section addresses mechanical system requirements including ventilation, ductwork, and equipment specifications. Refer to the official code text for complete requirements.
[F] 250.28 Main Bonding Jumper and System Bonding Jumper
Section 250.28 — Main Bonding Jumper and System Bonding Jumper. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 250.28(D) Size - Main Bonding Jumper
Section 250.28(D) — Size - Main Bonding Jumper. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 250.30 Grounding Separately Derived Systems
Section 250.30 — Grounding Separately Derived Systems. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 250.30(A) Grounded Separately Derived Systems
Section 250.30(A) — Grounded Separately Derived Systems. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 250.30(A)(1) System Bonding Jumper
Section 250.30(A)(1) — System Bonding Jumper. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 250.30(A)(2) Supply-Side Bonding Jumper
Section 250.30(A)(2) — Supply-Side Bonding Jumper. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 250.30(A)(4) Grounding Electrode Conductor - Single
Section 250.30(A)(4) — Grounding Electrode Conductor - Single. This section addresses mechanical system requirements including ventilation, ductwork, and equipment specifications. Refer to the official code text for complete requirements.
[F] 250.32 Buildings or Structures Supplied by Feeder
Section 250.32 — Buildings or Structures Supplied by Feeder. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 250.32(A) Grounding Electrode
Section 250.32(A) — Grounding Electrode. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 250.32(B) Grounded Systems - Building Disconnect
Section 250.32(B) — Grounded Systems - Building Disconnect. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 250.34 Portable and Vehicle-Mounted Generators
Section 250.34 — Portable and Vehicle-Mounted Generators. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 250.36 High-Impedance Grounded Neutral Systems
Section 250.36 — High-Impedance Grounded Neutral Systems. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 250.4 General Requirements for Grounding and Bonding
Section 250.4 — General Requirements for Grounding and Bonding. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 250.4(A) Solidly Grounded Systems
Section 250.4(A) — Solidly Grounded Systems. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 250.4(A)(1) Grounding of Electrical Systems
Section 250.4(A)(1) — Grounding of Electrical Systems. This section covers electrical installation requirements. Specific conductor sizing, circuit protection, and installation methods are in the official code. Refer to the official code text for complete requirements.
[F] 250.4(A)(2) Grounding of Electrical Equipment
Section 250.4(A)(2) — Grounding of Electrical Equipment. This section covers electrical installation requirements. Specific conductor sizing, circuit protection, and installation methods are in the official code. Refer to the official code text for complete requirements.
[F] 250.4(A)(3) Bonding of Electrical Equipment
Section 250.4(A)(3) — Bonding of Electrical Equipment. This section covers electrical installation requirements. Specific conductor sizing, circuit protection, and installation methods are in the official code. Refer to the official code text for complete requirements.
[F] 250.4(A)(4) Bonding of Electrically Conductive Materials
Section 250.4(A)(4) — Bonding of Electrically Conductive Materials. This section addresses mechanical system requirements including ventilation, ductwork, and equipment specifications. Refer to the official code text for complete requirements.
[F] 250.4(A)(5) Effective Ground-Fault Current Path
Section 250.4(A)(5) — Effective Ground-Fault Current Path. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 250.4(B) Ungrounded Systems
Section 250.4(B) — Ungrounded Systems. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 250.4(B)(1) Grounding of Electrical Equipment - Ungrounded
Section 250.4(B)(1) — Grounding of Electrical Equipment - Ungrounded. This section covers electrical installation requirements. Specific conductor sizing, circuit protection, and installation methods are in the official code. Refer to the official code text for complete requirements.
[F] 250.50 Grounding Electrode System
Section 250.50 — Grounding Electrode System. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 250.52 Grounding Electrodes
Section 250.52 — Grounding Electrodes. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 250.52(A) Electrodes Permitted for Grounding
Section 250.52(A) — Electrodes Permitted for Grounding. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 250.52(A)(1) Metal Underground Water Pipe
Section 250.52(A)(1) — Metal Underground Water Pipe. This section covers plumbing system requirements. Specific sizing, materials, and installation methods are in the official code text. Refer to the official code text for complete requirements.
[F] 250.52(A)(2) Metal In-Ground Support Structure
Section 250.52(A)(2) — Metal In-Ground Support Structure. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 250.52(A)(3) Concrete-Encased Electrode Ufer Ground
Section 250.52(A)(3) — Concrete-Encased Electrode Ufer Ground. This section specifies construction material requirements and standards. Refer to the official code for specific material specifications and testing standards. Refer to the official code text for complete requirements.
[F] 250.52(A)(4) Ground Ring
Section 250.52(A)(4) — Ground Ring. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 250.52(A)(5) Rod and Pipe Electrodes
Section 250.52(A)(5) — Rod and Pipe Electrodes. This section covers plumbing system requirements. Specific sizing, materials, and installation methods are in the official code text. Refer to the official code text for complete requirements.
[F] 250.52(A)(6) Other Listed Electrodes
Section 250.52(A)(6) — Other Listed Electrodes. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 250.52(A)(7) Plate Electrodes
Section 250.52(A)(7) — Plate Electrodes. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 250.52(A)(8) Other Local Metal Underground Systems or Structures
Section 250.52(A)(8) — Other Local Metal Underground Systems or Structures. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 250.52(B) Not Permitted for Use as Grounding Electrodes
Section 250.52(B) — Not Permitted for Use as Grounding Electrodes. This section establishes occupancy classification and use requirements that determine applicable building code provisions. Refer to the official code text for complete requirements.
[F] 250.53 Grounding Electrode System Installation
Section 250.53 — Grounding Electrode System Installation. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 250.53(A) Rod, Pipe, and Plate Electrodes
Section 250.53(A) — Rod, Pipe, and Plate Electrodes. This section covers plumbing system requirements. Specific sizing, materials, and installation methods are in the official code text. Refer to the official code text for complete requirements.
[F] 250.53(A)(2) Rod, Pipe, and Plate Electrode Resistance
Section 250.53(A)(2) — Rod, Pipe, and Plate Electrode Resistance. This section covers plumbing system requirements. Specific sizing, materials, and installation methods are in the official code text. Refer to the official code text for complete requirements.
[F] 250.53(B) Electrode Spacing
Section 250.53(B) — Electrode Spacing. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 250.53(G) Rod and Pipe Electrode Installation
Section 250.53(G) — Rod and Pipe Electrode Installation. This section covers plumbing system requirements. Specific sizing, materials, and installation methods are in the official code text. Refer to the official code text for complete requirements.
[F] 250.54 Auxiliary Grounding Electrodes
Section 250.54 — Auxiliary Grounding Electrodes. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 250.56 Resistance of Rod, Pipe, and Plate Electrodes
Section 250.56 — Resistance of Rod, Pipe, and Plate Electrodes. This section covers plumbing system requirements. Specific sizing, materials, and installation methods are in the official code text. Refer to the official code text for complete requirements.
[F] 250.58 Common Grounding Electrode
Section 250.58 — Common Grounding Electrode. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 250.6 Objectionable Current
Section 250.6 — Objectionable Current. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 250.6(A) Arrangement to Prevent Objectionable Current
Section 250.6(A) — Arrangement to Prevent Objectionable Current. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 250.6(B) Alterations to Stop Objectionable Current
Section 250.6(B) — Alterations to Stop Objectionable Current. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 250.60 Use of Strike Termination Devices
Section 250.60 — Use of Strike Termination Devices. This section establishes occupancy classification and use requirements that determine applicable building code provisions. Refer to the official code text for complete requirements.
[F] 250.62 Grounding Electrode Conductor Material
Section 250.62 — Grounding Electrode Conductor Material. This section addresses mechanical system requirements including ventilation, ductwork, and equipment specifications. Refer to the official code text for complete requirements.
[F] 250.64 Grounding Electrode Conductor Installation
Section 250.64 — Grounding Electrode Conductor Installation. This section addresses mechanical system requirements including ventilation, ductwork, and equipment specifications. Refer to the official code text for complete requirements.
[F] 250.64(A) Aluminum or Copper-Clad Aluminum Conductors
Section 250.64(A) — Aluminum or Copper-Clad Aluminum Conductors. This section addresses mechanical system requirements including ventilation, ductwork, and equipment specifications. Refer to the official code text for complete requirements.
[F] 250.64(B) Securing and Protection Against Physical Damage
Section 250.64(B) — Securing and Protection Against Physical Damage. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 250.64(C) Continuous
Section 250.64(C) — Continuous. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 250.64(D) Grounding Electrode Conductor Taps
Section 250.64(D) — Grounding Electrode Conductor Taps. This section addresses mechanical system requirements including ventilation, ductwork, and equipment specifications. Refer to the official code text for complete requirements.
[F] 250.64(E) Enclosures for Grounding Electrode Conductors
Section 250.64(E) — Enclosures for Grounding Electrode Conductors. This section addresses mechanical system requirements including ventilation, ductwork, and equipment specifications. Refer to the official code text for complete requirements.
[F] 250.64(F) Installation to Electrode(s)
Section 250.64(F) — Installation to Electrode(s). This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 250.66 Size of AC Grounding Electrode Conductor
Section 250.66 — Size of AC Grounding Electrode Conductor. This section addresses mechanical system requirements including ventilation, ductwork, and equipment specifications. Refer to the official code text for complete requirements.
[F] 250.66(A) Connections to Rod, Pipe, or Plate Electrodes
Section 250.66(A) — Connections to Rod, Pipe, or Plate Electrodes. This section covers plumbing system requirements. Specific sizing, materials, and installation methods are in the official code text. Refer to the official code text for complete requirements.
[F] 250.66(B) Connections to Concrete-Encased Electrodes
Section 250.66(B) — Connections to Concrete-Encased Electrodes. This section specifies construction material requirements and standards. Refer to the official code for specific material specifications and testing standards. Refer to the official code text for complete requirements.
[F] 250.66(C) Connections to Ground Rings
Section 250.66(C) — Connections to Ground Rings. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 250.66(T) Table 250.66 - GEC Sizing
Section 250.66(T) — Table 250.66 - GEC Sizing. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 250.68 Grounding Electrode Conductor and Bonding Jumper Connection to Grounding Electrodes
Section 250.68 — Grounding Electrode Conductor and Bonding Jumper Connection to Grounding Electrodes. This section addresses mechanical system requirements including ventilation, ductwork, and equipment specifications. Refer to the official code text for complete requirements.
[F] 250.68(A) Accessibility
Section 250.68(A) — Accessibility. This section addresses accessibility requirements for persons with disabilities. Refer to the official code text for complete requirements.
[F] 250.70 Methods of Grounding Conductor Connection
Section 250.70 — Methods of Grounding Conductor Connection. This section addresses mechanical system requirements including ventilation, ductwork, and equipment specifications. Refer to the official code text for complete requirements.
[F] 250.8 Connection of Grounding and Bonding Equipment
Section 250.8 — Connection of Grounding and Bonding Equipment. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 250.86 Other Conductor Enclosures and Raceways
Section 250.86 — Other Conductor Enclosures and Raceways. This section addresses mechanical system requirements including ventilation, ductwork, and equipment specifications. Refer to the official code text for complete requirements.
[F] 250.92 Services Bonding
Section 250.92 — Services Bonding. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 250.92(A) Services Required to Be Bonded
Section 250.92(A) — Services Required to Be Bonded. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 250.92(B) Method of Bonding at the Service
Section 250.92(B) — Method of Bonding at the Service. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 250.94 Bonding for Other Systems
Section 250.94 — Bonding for Other Systems. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 250.96 Bonding Other Enclosures
Section 250.96 — Bonding Other Enclosures. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 250.97 Bonding for Over 250 Volts
Section 250.97 — Bonding for Over 250 Volts. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 300.1 Scope of Wiring Methods
Section 300.1 — Scope of Wiring Methods. This section establishes the scope, applicability, and administrative provisions for enforcement of this code. Refer to the official code text for complete requirements.
[F] 300.10 Electrical Continuity of Metal Raceways and Enclosures
Section 300.10 — Electrical Continuity of Metal Raceways and Enclosures. This section covers electrical installation requirements. Specific conductor sizing, circuit protection, and installation methods are in the official code. Refer to the official code text for complete requirements.
[F] 300.11 Securing and Supporting
Section 300.11 — Securing and Supporting. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 300.11(A) Secured in Place
Section 300.11(A) — Secured in Place. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 300.11(B) Raceways Used as Means of Support
Section 300.11(B) — Raceways Used as Means of Support. This section establishes occupancy classification and use requirements that determine applicable building code provisions. Refer to the official code text for complete requirements.
[F] 300.12 Mechanical Continuity - Raceways and Cables
Section 300.12 — Mechanical Continuity - Raceways and Cables. This section addresses mechanical system requirements including ventilation, ductwork, and equipment specifications. Refer to the official code text for complete requirements.
[F] 300.13 Mechanical and Electrical Continuity - Conductors
Section 300.13 — Mechanical and Electrical Continuity - Conductors. This section addresses mechanical system requirements including ventilation, ductwork, and equipment specifications. Refer to the official code text for complete requirements.
[F] 300.13(A) General Splicing
Section 300.13(A) — General Splicing. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 300.13(B) Device Removal
Section 300.13(B) — Device Removal. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 300.14 Length of Free Conductors at Outlets
Section 300.14 — Length of Free Conductors at Outlets. This section addresses mechanical system requirements including ventilation, ductwork, and equipment specifications. Refer to the official code text for complete requirements.
[F] 300.15 Boxes, Conduit Bodies, or Fittings
Section 300.15 — Boxes, Conduit Bodies, or Fittings. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 300.17 Number and Size of Conductors in Raceway
Section 300.17 — Number and Size of Conductors in Raceway. This section addresses mechanical system requirements including ventilation, ductwork, and equipment specifications. Refer to the official code text for complete requirements.
[F] 300.19 Supporting Conductors in Vertical Raceways
Section 300.19 — Supporting Conductors in Vertical Raceways. This section addresses mechanical system requirements including ventilation, ductwork, and equipment specifications. Refer to the official code text for complete requirements.
[F] 300.2 Limitations
Section 300.2 — Limitations. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 300.20 Induced Currents in Ferrous Metal Enclosures
Section 300.20 — Induced Currents in Ferrous Metal Enclosures. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 300.21 Spread of Fire or Products of Combustion
Section 300.21 — Spread of Fire or Products of Combustion. This section addresses fire protection and life safety requirements. Specific provisions depend on building type, occupancy, and construction classification. Refer to the official code text for complete requirements.
[F] 300.22 Wiring in Ducts for Dust, Loose Stock, or Vapor Removal
Section 300.22 — Wiring in Ducts for Dust, Loose Stock, or Vapor Removal. This section addresses mechanical system requirements including ventilation, ductwork, and equipment specifications. Refer to the official code text for complete requirements.
[F] 300.22(A) Ducts for Dust, Loose Stock, or Vapor Removal
Section 300.22(A) — Ducts for Dust, Loose Stock, or Vapor Removal. This section addresses mechanical system requirements including ventilation, ductwork, and equipment specifications. Refer to the official code text for complete requirements.
[F] 300.22(B) Ducts or Plenums Used for Environmental Air
Section 300.22(B) — Ducts or Plenums Used for Environmental Air. This section addresses mechanical system requirements including ventilation, ductwork, and equipment specifications. Refer to the official code text for complete requirements.
[F] 300.22(C) Other Spaces Used for Environmental Air
Section 300.22(C) — Other Spaces Used for Environmental Air. This section establishes occupancy classification and use requirements that determine applicable building code provisions. Refer to the official code text for complete requirements.
[F] 300.3 Conductors
Section 300.3 — Conductors. This section addresses mechanical system requirements including ventilation, ductwork, and equipment specifications. Refer to the official code text for complete requirements.
[F] 300.3(A) Single Conductors
Section 300.3(A) — Single Conductors. This section addresses mechanical system requirements including ventilation, ductwork, and equipment specifications. Refer to the official code text for complete requirements.
[F] 300.3(B) Conductors of the Same Circuit
Section 300.3(B) — Conductors of the Same Circuit. This section addresses mechanical system requirements including ventilation, ductwork, and equipment specifications. Refer to the official code text for complete requirements.
[F] 300.3(C) Conductors of Different Systems
Section 300.3(C) — Conductors of Different Systems. This section addresses mechanical system requirements including ventilation, ductwork, and equipment specifications. Refer to the official code text for complete requirements.
[F] 300.4 Protection Against Physical Damage
Section 300.4 — Protection Against Physical Damage. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 300.4(A) Cables and Raceways Through Wood Members
Section 300.4(A) — Cables and Raceways Through Wood Members. This section specifies construction material requirements and standards. Refer to the official code for specific material specifications and testing standards. Refer to the official code text for complete requirements.
[F] 300.4(A)(1) Bored Holes
Section 300.4(A)(1) — Bored Holes. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 300.4(A)(2) Notches in Wood
Section 300.4(A)(2) — Notches in Wood. This section specifies construction material requirements and standards. Refer to the official code for specific material specifications and testing standards. Refer to the official code text for complete requirements.
[F] 300.4(B) Cables and Raceways Through Metal Members
Section 300.4(B) — Cables and Raceways Through Metal Members. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 300.4(C) Cables Through Spaces Behind Panels
Section 300.4(C) — Cables Through Spaces Behind Panels. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 300.4(D) Cables and Raceways Parallel to Framing
Section 300.4(D) — Cables and Raceways Parallel to Framing. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 300.4(E) Cables and Raceways in Shallow Grooves
Section 300.4(E) — Cables and Raceways in Shallow Grooves. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 300.4(F) Insulated Fittings
Section 300.4(F) — Insulated Fittings. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 300.4(G) Insulated Bushings
Section 300.4(G) — Insulated Bushings. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 300.5 Underground Installations
Section 300.5 — Underground Installations. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 300.5(A) Minimum Cover Requirements
Section 300.5(A) — Minimum Cover Requirements. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 300.5(B) Wet Locations
Section 300.5(B) — Wet Locations. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 300.5(C) Underground Cables Under Buildings
Section 300.5(C) — Underground Cables Under Buildings. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 300.5(D) Protection From Damage
Section 300.5(D) — Protection From Damage. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 300.5(E) Splices and Taps
Section 300.5(E) — Splices and Taps. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 300.5(F) Backfill
Section 300.5(F) — Backfill. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 300.5(G) Raceway Seals
Section 300.5(G) — Raceway Seals. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 300.5(H) Bushing
Section 300.5(H) — Bushing. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 300.5(I) Conductors of the Same Circuit
Section 300.5(I) — Conductors of the Same Circuit. This section addresses mechanical system requirements including ventilation, ductwork, and equipment specifications. Refer to the official code text for complete requirements.
[F] 300.5(J) Ground Movement
Section 300.5(J) — Ground Movement. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 300.6 Protection Against Corrosion and Deterioration
Section 300.6 — Protection Against Corrosion and Deterioration. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 300.6(A) Ferrous Metal Equipment
Section 300.6(A) — Ferrous Metal Equipment. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 300.6(B) Aluminum Metal Equipment
Section 300.6(B) — Aluminum Metal Equipment. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 300.6(C) Nonmetallic Equipment
Section 300.6(C) — Nonmetallic Equipment. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 300.7 Raceways Exposed to Different Temperatures
Section 300.7 — Raceways Exposed to Different Temperatures. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 300.7(A) Sealing
Section 300.7(A) — Sealing. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 300.7(B) Expansion Fittings
Section 300.7(B) — Expansion Fittings. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 300.8 Installation of Conductors with Other Systems
Section 300.8 — Installation of Conductors with Other Systems. This section addresses mechanical system requirements including ventilation, ductwork, and equipment specifications. Refer to the official code text for complete requirements.
[F] 300.9 Raceways in Wet Locations Above Grade
Section 300.9 — Raceways in Wet Locations Above Grade. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 310.1 Scope of Conductors for General Wiring
Section 310.1 — Scope of Conductors for General Wiring. This section establishes the scope, applicability, and administrative provisions for enforcement of this code. Refer to the official code text for complete requirements.
[F] 310.10 Temperature Limitations of Conductors
Section 310.10 — Temperature Limitations of Conductors. This section addresses mechanical system requirements including ventilation, ductwork, and equipment specifications. Refer to the official code text for complete requirements.
[F] 310.10(A) Dry Locations
Section 310.10(A) — Dry Locations. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 310.10(B) Damp Locations
Section 310.10(B) — Damp Locations. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 310.10(C) Wet Locations
Section 310.10(C) — Wet Locations. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 310.10(D) Locations Exposed to Direct Sunlight
Section 310.10(D) — Locations Exposed to Direct Sunlight. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 310.10(E) Corrosive Conditions
Section 310.10(E) — Corrosive Conditions. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 310.14 Conductor Identification
Section 310.14 — Conductor Identification. This section addresses mechanical system requirements including ventilation, ductwork, and equipment specifications. Refer to the official code text for complete requirements.
[F] 310.15 Ampacities for Conductors
Section 310.15 — Ampacities for Conductors. This section addresses mechanical system requirements including ventilation, ductwork, and equipment specifications. Refer to the official code text for complete requirements.
[F] 310.15(A) General Ampacity Provisions
Section 310.15(A) — General Ampacity Provisions. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 310.15(B) Adjustment Factors
Section 310.15(B) — Adjustment Factors. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 310.15(C) Correction Factors Based on Ambient Temperature
Section 310.15(C) — Correction Factors Based on Ambient Temperature. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 310.16 Ampacities of Insulated Conductors
Section 310.16 — Ampacities of Insulated Conductors. This section addresses mechanical system requirements including ventilation, ductwork, and equipment specifications. Refer to the official code text for complete requirements.
[F] 310.2 Conductor Definitions
Section 310.2 — Conductor Definitions. This section provides definitions relevant to the code. Defined terms have specific meanings that affect how requirements are applied throughout the code. Refer to the official code text for complete requirements.
[F] 310.3 Stranded Conductors
Section 310.3 — Stranded Conductors. This section addresses mechanical system requirements including ventilation, ductwork, and equipment specifications. Refer to the official code text for complete requirements.
[F] 310.4 Conductor Material
Section 310.4 — Conductor Material. This section addresses mechanical system requirements including ventilation, ductwork, and equipment specifications. Refer to the official code text for complete requirements.
[F] 310.5 Minimum Size of Conductors
Section 310.5 — Minimum Size of Conductors. This section addresses mechanical system requirements including ventilation, ductwork, and equipment specifications. Refer to the official code text for complete requirements.
[F] 310.6 Conductor Insulation
Section 310.6 — Conductor Insulation. This section addresses mechanical system requirements including ventilation, ductwork, and equipment specifications. Refer to the official code text for complete requirements.
[F] 320.1 Scope - Armored Cable (Type AC)
Section 320.1 — Scope - Armored Cable (Type AC). This section establishes the scope, applicability, and administrative provisions for enforcement of this code. Refer to the official code text for complete requirements.
[F] 320.10 Uses Permitted
Section 320.10 — Uses Permitted. This section establishes occupancy classification and use requirements that determine applicable building code provisions. Refer to the official code text for complete requirements.
[F] 320.12 Uses Not Permitted
Section 320.12 — Uses Not Permitted. This section establishes occupancy classification and use requirements that determine applicable building code provisions. Refer to the official code text for complete requirements.
[F] 320.120 Construction - Marking
Section 320.120 — Construction - Marking. This section specifies construction material requirements and standards. Refer to the official code for specific material specifications and testing standards. Refer to the official code text for complete requirements.
[F] 320.15 Exposed Work
Section 320.15 — Exposed Work. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 320.17 Through or Parallel to Framing Members
Section 320.17 — Through or Parallel to Framing Members. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 320.2 Definition - Armored Cable
Section 320.2 — Definition - Armored Cable. This section provides definitions relevant to the code. Defined terms have specific meanings that affect how requirements are applied throughout the code. Refer to the official code text for complete requirements.
[F] 320.23 In Accessible Attics
Section 320.23 — In Accessible Attics. This section addresses accessibility requirements for persons with disabilities. Refer to the official code text for complete requirements.
[F] 320.30 Securing and Supporting
Section 320.30 — Securing and Supporting. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 320.40 Boxes and Fittings
Section 320.40 — Boxes and Fittings. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 320.6 Listing Requirements
Section 320.6 — Listing Requirements. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 320.80 Ampacity
Section 320.80 — Ampacity. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 330.1 Scope - Metal-Clad Cable (Type MC)
Section 330.1 — Scope - Metal-Clad Cable (Type MC). This section establishes the scope, applicability, and administrative provisions for enforcement of this code. Refer to the official code text for complete requirements.
[F] 330.10 Uses Permitted
Section 330.10 — Uses Permitted. This section establishes occupancy classification and use requirements that determine applicable building code provisions. Refer to the official code text for complete requirements.
[F] 330.12 Uses Not Permitted
Section 330.12 — Uses Not Permitted. This section establishes occupancy classification and use requirements that determine applicable building code provisions. Refer to the official code text for complete requirements.
[F] 330.17 Through or Parallel to Framing Members
Section 330.17 — Through or Parallel to Framing Members. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 330.2 Definition - Metal-Clad Cable
Section 330.2 — Definition - Metal-Clad Cable. This section provides definitions relevant to the code. Defined terms have specific meanings that affect how requirements are applied throughout the code. Refer to the official code text for complete requirements.
[F] 330.30 Securing and Supporting
Section 330.30 — Securing and Supporting. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 330.40 Boxes and Fittings
Section 330.40 — Boxes and Fittings. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 330.6 Listing Requirements
Section 330.6 — Listing Requirements. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 334.1 Scope of Nonmetallic-Sheathed Cable
Section 334.1 — Scope of Nonmetallic-Sheathed Cable. This section establishes the scope, applicability, and administrative provisions for enforcement of this code. Refer to the official code text for complete requirements.
[F] 334.10 Uses Permitted for NM Cable
Section 334.10 — Uses Permitted for NM Cable. This section establishes occupancy classification and use requirements that determine applicable building code provisions. Refer to the official code text for complete requirements.
[F] 334.10(A) NM Cable Uses in One- and Two-Family Dwellings
Section 334.10(A) — NM Cable Uses in One- and Two-Family Dwellings. This section establishes occupancy classification and use requirements that determine applicable building code provisions. Refer to the official code text for complete requirements.
[F] 334.10(B) NM Cable Uses in Other Structures
Section 334.10(B) — NM Cable Uses in Other Structures. This section establishes occupancy classification and use requirements that determine applicable building code provisions. Refer to the official code text for complete requirements.
[F] 334.12 Uses Not Permitted for NM Cable
Section 334.12 — Uses Not Permitted for NM Cable. This section establishes occupancy classification and use requirements that determine applicable building code provisions. Refer to the official code text for complete requirements.
[F] 334.15 NM Cable Exposed Work
Section 334.15 — NM Cable Exposed Work. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 334.17 NM Cable Through or Parallel to Framing
Section 334.17 — NM Cable Through or Parallel to Framing. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 334.2 NM Cable Definitions
Section 334.2 — NM Cable Definitions. This section provides definitions relevant to the code. Defined terms have specific meanings that affect how requirements are applied throughout the code. Refer to the official code text for complete requirements.
[F] 334.23 NM Cable in Accessible Attics
Section 334.23 — NM Cable in Accessible Attics. This section addresses accessibility requirements for persons with disabilities. Refer to the official code text for complete requirements.
[F] 334.24 NM Cable Bending Radius
Section 334.24 — NM Cable Bending Radius. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 334.30 NM Cable Securing and Supporting
Section 334.30 — NM Cable Securing and Supporting. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 334.40 NM Cable Boxes and Fittings
Section 334.40 — NM Cable Boxes and Fittings. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 334.80 NM Cable Ampacity
Section 334.80 — NM Cable Ampacity. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 336.1 Scope - Power and Control Tray Cable (Type TC)
Section 336.1 — Scope - Power and Control Tray Cable (Type TC). This section establishes the scope, applicability, and administrative provisions for enforcement of this code. Refer to the official code text for complete requirements.
[F] 336.10 Uses Permitted
Section 336.10 — Uses Permitted. This section establishes occupancy classification and use requirements that determine applicable building code provisions. Refer to the official code text for complete requirements.
[F] 336.12 Uses Not Permitted
Section 336.12 — Uses Not Permitted. This section establishes occupancy classification and use requirements that determine applicable building code provisions. Refer to the official code text for complete requirements.
[F] 336.2 Definition
Section 336.2 — Definition. This section provides definitions relevant to the code. Defined terms have specific meanings that affect how requirements are applied throughout the code. Refer to the official code text for complete requirements.
[F] 336.80 Ampacity
Section 336.80 — Ampacity. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 356.1 Scope - Liquidtight Flexible Nonmetallic Conduit (LFNC)
Section 356.1 — Scope - Liquidtight Flexible Nonmetallic Conduit (LFNC). This section establishes the scope, applicability, and administrative provisions for enforcement of this code. Refer to the official code text for complete requirements.
[F] 356.10 Uses Permitted
Section 356.10 — Uses Permitted. This section establishes occupancy classification and use requirements that determine applicable building code provisions. Refer to the official code text for complete requirements.
[F] 356.12 Uses Not Permitted
Section 356.12 — Uses Not Permitted. This section establishes occupancy classification and use requirements that determine applicable building code provisions. Refer to the official code text for complete requirements.
[F] 356.2 Definition
Section 356.2 — Definition. This section provides definitions relevant to the code. Defined terms have specific meanings that affect how requirements are applied throughout the code. Refer to the official code text for complete requirements.
[F] 356.30 Securing and Supporting
Section 356.30 — Securing and Supporting. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 362.1 Scope - Electrical Nonmetallic Tubing (ENT)
Section 362.1 — Scope - Electrical Nonmetallic Tubing (ENT). This section establishes the scope, applicability, and administrative provisions for enforcement of this code. Refer to the official code text for complete requirements.
[F] 362.10 Uses Permitted
Section 362.10 — Uses Permitted. This section establishes occupancy classification and use requirements that determine applicable building code provisions. Refer to the official code text for complete requirements.
[F] 362.12 Uses Not Permitted
Section 362.12 — Uses Not Permitted. This section establishes occupancy classification and use requirements that determine applicable building code provisions. Refer to the official code text for complete requirements.
[F] 362.2 Definition
Section 362.2 — Definition. This section provides definitions relevant to the code. Defined terms have specific meanings that affect how requirements are applied throughout the code. Refer to the official code text for complete requirements.
[F] 362.30 Securing and Supporting
Section 362.30 — Securing and Supporting. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 500.1 Scope - Hazardous Locations
Section 500.1 — Scope - Hazardous Locations. This section establishes the scope, applicability, and administrative provisions for enforcement of this code. Refer to the official code text for complete requirements.
[F] 500.1.1 Hazardous Locations Classification
Section 500.1.1 — Hazardous Locations Classification. This section establishes occupancy classification and use requirements that determine applicable building code provisions. Refer to the official code text for complete requirements.
[F] 500.2 Definitions
Section 500.2 — Definitions. This section provides definitions relevant to the code. Defined terms have specific meanings that affect how requirements are applied throughout the code. Refer to the official code text for complete requirements.
[F] 500.4 General Requirements
Section 500.4 — General Requirements. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 500.5 Classifications of locations
Section 500.5 — Classifications of locations. This section establishes occupancy classification and use requirements that determine applicable building code provisions. Refer to the official code text for complete requirements.
[F] 500.5.1 Classification of Locations
Section 500.5.1 — Classification of Locations. This section establishes occupancy classification and use requirements that determine applicable building code provisions. Refer to the official code text for complete requirements.
[F] 500.5.2 Hazardous Class II Locations
Section 500.5.2 — Hazardous Class II Locations. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 500.5.3 Hazardous Class III Locations
Section 500.5.3 — Hazardous Class III Locations. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 500.5.B Class I Divisions
Section 500.5.B — Class I Divisions. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 500.5(A) Class I Locations General
Section 500.5(A) — Class I Locations General. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 500.5(A)(1) Class I Division 1
Section 500.5(A)(1) — Class I Division 1. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 500.5(A)(2) Class I Division 2
Section 500.5(A)(2) — Class I Division 2. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 500.5(B) Classification of Locations - Class II Locations
Section 500.5(B) — Classification of Locations - Class II Locations. This section establishes occupancy classification and use requirements that determine applicable building code provisions. Refer to the official code text for complete requirements.
[F] 500.5(B)(1) Class II Division 1
Section 500.5(B)(1) — Class II Division 1. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 500.5(B)(2) Class II Division 2
Section 500.5(B)(2) — Class II Division 2. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 500.5(C) Classification of Locations - Class III Locations
Section 500.5(C) — Classification of Locations - Class III Locations. This section establishes occupancy classification and use requirements that determine applicable building code provisions. Refer to the official code text for complete requirements.
[F] 500.5(D) Class I Zone Locations
Section 500.5(D) — Class I Zone Locations. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 500.6 Material Groups
Section 500.6 — Material Groups. This section specifies construction material requirements and standards. Refer to the official code for specific material specifications and testing standards. Refer to the official code text for complete requirements.
[F] 500.7 Protection Techniques
Section 500.7 — Protection Techniques. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 500.7.1 Hazardous Location Wiring Methods
Section 500.7.1 — Hazardous Location Wiring Methods. This section covers electrical installation requirements. Specific conductor sizing, circuit protection, and installation methods are in the official code. Refer to the official code text for complete requirements.
[F] 500.7(A) Protection Techniques - Explosionproof Apparatus
Section 500.7(A) — Protection Techniques - Explosionproof Apparatus. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 500.7(B) Protection Techniques - Dust-Ignitionproof
Section 500.7(B) — Protection Techniques - Dust-Ignitionproof. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 500.7(C) Protection Techniques Dusttight
Section 500.7(C) — Protection Techniques Dusttight. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 500.7(E) Protection Techniques Purged and Pressurized
Section 500.7(E) — Protection Techniques Purged and Pressurized. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 500.7(F) Protection Techniques Intrinsically Safe
Section 500.7(F) — Protection Techniques Intrinsically Safe. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 500.7(K) Protection Techniques - Combustible Gas Detection
Section 500.7(K) — Protection Techniques - Combustible Gas Detection. This section covers fuel gas piping and equipment requirements. Refer to the official code text for complete requirements.
[F] 500.8 Equipment
Section 500.8 — Equipment. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 500.8(A) Equipment - Suitability
Section 500.8(A) — Equipment - Suitability. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 500.8(B) Equipment Suitability Temperature
Section 500.8(B) — Equipment Suitability Temperature. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 500.9 Specific Occupancies
Section 500.9 — Specific Occupancies. This section establishes occupancy classification and use requirements that determine applicable building code provisions. Refer to the official code text for complete requirements.
[F] 501.1 Class I Location Scope
Section 501.1 — Class I Location Scope. This section establishes the scope, applicability, and administrative provisions for enforcement of this code. Refer to the official code text for complete requirements.
[F] 501.1.1 Class I Hazardous Locations
Section 501.1.1 — Class I Hazardous Locations. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 501.10 Class I Wiring Methods
Section 501.10 — Class I Wiring Methods. This section covers electrical installation requirements. Specific conductor sizing, circuit protection, and installation methods are in the official code. Refer to the official code text for complete requirements.
[F] 501.10.1 Class I Wiring Methods
Section 501.10.1 — Class I Wiring Methods. This section covers electrical installation requirements. Specific conductor sizing, circuit protection, and installation methods are in the official code. Refer to the official code text for complete requirements.
[F] 501.10(A) Class I Division 1 - Wiring Methods
Section 501.10(A) — Class I Division 1 - Wiring Methods. This section covers electrical installation requirements. Specific conductor sizing, circuit protection, and installation methods are in the official code. Refer to the official code text for complete requirements.
[F] 501.10(A)(1) Class I Div 1 - MI Cable
Section 501.10(A)(1) — Class I Div 1 - MI Cable. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 501.10(B) Class I Division 2 - Wiring Methods
Section 501.10(B) — Class I Division 2 - Wiring Methods. This section covers electrical installation requirements. Specific conductor sizing, circuit protection, and installation methods are in the official code. Refer to the official code text for complete requirements.
[F] 501.10(B)(1) Class I Div 2 - Nonincendive Equipment
Section 501.10(B)(1) — Class I Div 2 - Nonincendive Equipment. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 501.100 Motors and Generators - Class I Div 1
Section 501.100 — Motors and Generators - Class I Div 1. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 501.105 Class I - Receptacles and Attachment Plugs Division 1
Section 501.105 — Class I - Receptacles and Attachment Plugs Division 1. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 501.110 Luminaires - Class I Div 1
Section 501.110 — Luminaires - Class I Div 1. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 501.115 Luminaires - Class I Div 2
Section 501.115 — Luminaires - Class I Div 2. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 501.115(A) Class I Division 1 - Switches and Circuit Breakers
Section 501.115(A) — Class I Division 1 - Switches and Circuit Breakers. This section covers electrical installation requirements. Specific conductor sizing, circuit protection, and installation methods are in the official code. Refer to the official code text for complete requirements.
[F] 501.115(B) Switches - Class I Division 2
Section 501.115(B) — Switches - Class I Division 2. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 501.120 Class I Flexible Cords
Section 501.120 — Class I Flexible Cords. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 501.125 Class I Division 1 Motors and Generators
Section 501.125 — Class I Division 1 Motors and Generators. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 501.125(A) Class I Division 1 - Motors and Generators
Section 501.125(A) — Class I Division 1 - Motors and Generators. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 501.125(B) Motors - Class I Division 2
Section 501.125(B) — Motors - Class I Division 2. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 501.130 Luminaires - Class I Div 1
Section 501.130 — Luminaires - Class I Div 1. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 501.130(B) Luminaires - Class I Division 2
Section 501.130(B) — Luminaires - Class I Division 2. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 501.135 Receptacles and Attachment Plugs - Class I Div 1
Section 501.135 — Receptacles and Attachment Plugs - Class I Div 1. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 501.135(A) Class I Division 1 Transformers and Capacitors
Section 501.135(A) — Class I Division 1 Transformers and Capacitors. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 501.140 Receptacles and Attachment Plugs - Class I Div 2
Section 501.140 — Receptacles and Attachment Plugs - Class I Div 2. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 501.15 Sealing and Drainage
Section 501.15 — Sealing and Drainage. This section covers plumbing system requirements. Specific sizing, materials, and installation methods are in the official code text. Refer to the official code text for complete requirements.
[F] 501.15.1 Class I Sealing
Section 501.15.1 — Class I Sealing. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 501.15(A) Class I - Sealing Requirements Division 1
Section 501.15(A) — Class I - Sealing Requirements Division 1. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 501.15(A)(4) Conduit Seals - Class I Div 1 Boundary
Section 501.15(A)(4) — Conduit Seals - Class I Div 1 Boundary. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 501.15(B) Class I - Sealing Requirements Division 2
Section 501.15(B) — Class I - Sealing Requirements Division 2. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 501.15(C) Sealing Class I Divisions 1 and 2
Section 501.15(C) — Sealing Class I Divisions 1 and 2. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 501.15(D) Seal Requirements
Section 501.15(D) — Seal Requirements. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 501.15(E) Drainage - Class I
Section 501.15(E) — Drainage - Class I. This section covers plumbing system requirements. Specific sizing, materials, and installation methods are in the official code text. Refer to the official code text for complete requirements.
[F] 501.150 Signal, Alarm, Remote-Control - Class I Div 1
Section 501.150 — Signal, Alarm, Remote-Control - Class I Div 1. This section addresses fire protection and life safety requirements. Specific provisions depend on building type, occupancy, and construction classification. Refer to the official code text for complete requirements.
[F] 501.150(B) Receptacles - Class I Division 2
Section 501.150(B) — Receptacles - Class I Division 2. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 501.155 Signal, Alarm, Remote-Control - Class I Div 2
Section 501.155 — Signal, Alarm, Remote-Control - Class I Div 2. This section addresses fire protection and life safety requirements. Specific provisions depend on building type, occupancy, and construction classification. Refer to the official code text for complete requirements.
[F] 501.17 Class I Locations - Process Sealing
Section 501.17 — Class I Locations - Process Sealing. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 501.20 Conductor Insulation - Class I
Section 501.20 — Conductor Insulation - Class I. This section addresses mechanical system requirements including ventilation, ductwork, and equipment specifications. Refer to the official code text for complete requirements.
[F] 501.25 Uninsulated Exposed Parts - Class I
Section 501.25 — Uninsulated Exposed Parts - Class I. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 501.30 Grounding and Bonding - Class I
Section 501.30 — Grounding and Bonding - Class I. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 501.30(A) Class I - Grounding and Bonding Division 1
Section 501.30(A) — Class I - Grounding and Bonding Division 1. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 501.30(B) Class I Division 2 Grounding and Bonding
Section 501.30(B) — Class I Division 2 Grounding and Bonding. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 501.35 Switches, Circuit Breakers, Motor Controllers - Class I Div 2
Section 501.35 — Switches, Circuit Breakers, Motor Controllers - Class I Div 2. This section covers electrical installation requirements. Specific conductor sizing, circuit protection, and installation methods are in the official code. Refer to the official code text for complete requirements.
[F] 501.40 Transformers and Capacitors - Class I Div 1
Section 501.40 — Transformers and Capacitors - Class I Div 1. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 501.45 Transformers and Capacitors - Class I Div 2
Section 501.45 — Transformers and Capacitors - Class I Div 2. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 502.1 Scope - Class II Locations
Section 502.1 — Scope - Class II Locations. This section establishes the scope, applicability, and administrative provisions for enforcement of this code. Refer to the official code text for complete requirements.
[F] 502.1.1 Class II Hazardous Locations
Section 502.1.1 — Class II Hazardous Locations. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 502.10 Class II Wiring Methods
Section 502.10 — Class II Wiring Methods. This section covers electrical installation requirements. Specific conductor sizing, circuit protection, and installation methods are in the official code. Refer to the official code text for complete requirements.
[F] 502.10.1 Class II Wiring Methods
Section 502.10.1 — Class II Wiring Methods. This section covers electrical installation requirements. Specific conductor sizing, circuit protection, and installation methods are in the official code. Refer to the official code text for complete requirements.
[F] 502.10(A) Class II Division 1 Wiring Methods
Section 502.10(A) — Class II Division 1 Wiring Methods. This section covers electrical installation requirements. Specific conductor sizing, circuit protection, and installation methods are in the official code. Refer to the official code text for complete requirements.
[F] 502.10(B) Wiring Methods - Class II Div 2
Section 502.10(B) — Wiring Methods - Class II Div 2. This section covers electrical installation requirements. Specific conductor sizing, circuit protection, and installation methods are in the official code. Refer to the official code text for complete requirements.
[F] 502.100 Transformers and Capacitors - Class II Div 1
Section 502.100 — Transformers and Capacitors - Class II Div 1. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 502.110 Luminaires - Class II Div 1
Section 502.110 — Luminaires - Class II Div 1. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 502.115 Class II Switches and Receptacles
Section 502.115 — Class II Switches and Receptacles. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 502.120 Utilization Equipment - Class II Div 1
Section 502.120 — Utilization Equipment - Class II Div 1. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 502.125 Class II Motors and Generators
Section 502.125 — Class II Motors and Generators. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 502.130 Luminaires - Class II Div 1
Section 502.130 — Luminaires - Class II Div 1. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 502.130(A) Class II Division 1 Luminaires
Section 502.130(A) — Class II Division 1 Luminaires. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 502.15 Sealing Class II
Section 502.15 — Sealing Class II. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 502.150 Receptacles and Plugs - Class II
Section 502.150 — Receptacles and Plugs - Class II. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 502.25 Luminaires Class II
Section 502.25 — Luminaires Class II. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 502.30 Switches, Circuit Breakers - Class II Div 1
Section 502.30 — Switches, Circuit Breakers - Class II Div 1. This section covers electrical installation requirements. Specific conductor sizing, circuit protection, and installation methods are in the official code. Refer to the official code text for complete requirements.
[F] 502.35 Switches, Circuit Breakers - Class II Div 2
Section 502.35 — Switches, Circuit Breakers - Class II Div 2. This section covers electrical installation requirements. Specific conductor sizing, circuit protection, and installation methods are in the official code. Refer to the official code text for complete requirements.
[F] 502.5 Classification of Class II Locations
Section 502.5 — Classification of Class II Locations. This section establishes occupancy classification and use requirements that determine applicable building code provisions. Refer to the official code text for complete requirements.
[F] 503.1 Class III Locations - Scope
Section 503.1 — Class III Locations - Scope. This section establishes the scope, applicability, and administrative provisions for enforcement of this code. Refer to the official code text for complete requirements.
[F] 503.1.1 Class III Hazardous Locations
Section 503.1.1 — Class III Hazardous Locations. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 503.10 Class III Locations - Wiring Methods
Section 503.10 — Class III Locations - Wiring Methods. This section covers electrical installation requirements. Specific conductor sizing, circuit protection, and installation methods are in the official code. Refer to the official code text for complete requirements.
[F] 503.10.1 Class III Hazardous Locations Wiring
Section 503.10.1 — Class III Hazardous Locations Wiring. This section covers electrical installation requirements. Specific conductor sizing, circuit protection, and installation methods are in the official code. Refer to the official code text for complete requirements.
[F] 503.100 Motors and Generators - Class III
Section 503.100 — Motors and Generators - Class III. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
Code sections are sourced from the International Code Council (ICC) and NFPA. Refer to ICC Digital Codes or NFPA for the authoritative source documents.