Adopts With Amendments
Chapter 3
Wiring Methods and Materials
National Electrical Code 2023
[F] 200.1 Use and Identification of Grounded Conductors Scope
Section 200.1 — Use and Identification of Grounded Conductors 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] 200.6 Means of Identifying Grounded Conductors
Section 200.6 — Means of Identifying Grounded Conductors. This section addresses mechanical system requirements including ventilation, ductwork, and equipment specifications. Refer to the official code text for complete requirements.
[F] 210.12(A) AFCI Protection Dwelling Units
Section 210.12(A) — AFCI Protection Dwelling Units. 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] 210.8(A) GFCI Protection Dwelling Units
Section 210.8(A) — GFCI Protection Dwelling Units. 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] 215.1 Feeders Scope
Section 215.1 — Feeders 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] 215.2 Feeder Minimum Rating and Size
Section 215.2 — Feeder Minimum Rating and 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] 225.1 Outside Branch Circuits and Feeders Scope
Section 225.1 — Outside Branch Circuits and Feeders 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] 225.30 Number of Supplies
Section 225.30 — Number of Supplies. 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] 225.36 Suitable for Service Equipment
Section 225.36 — Suitable for Service 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] 300.1 Wiring Methods - General Scope
Section 300.1 — Wiring Methods - General 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] 300.1.1 General Wiring Methods
Section 300.1.1 — General 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] 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] 300.11.1 Raceway and Cable Support
Section 300.11.1 — Raceway and Cable 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] 300.11.A Raceways Used as Means of Support
Section 300.11.A — 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] 300.11.B Fire-Rated Assemblies
Section 300.11.B — Fire-Rated Assemblies. 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] 300.11.C Non-Fire-Rated Assemblies
Section 300.11.C — Non-Fire-Rated Assemblies. 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] 300.12 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 Device Removal
Section 300.13.A — 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] 300.13.B General
Section 300.13.B — 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] 300.14 Length of Free Conductors
Section 300.14 — Length of Free Conductors. 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] 300.16 Raceway or Cable to Open or Concealed Wiring
Section 300.16 — Raceway or Cable to Open or Concealed 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] 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] 300.2.1 Protection Against Physical Damage
Section 300.2.1 — 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] 300.20 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
Section 300.22 — Wiring in Ducts for Dust, Loose Stock, or Vapor. This section addresses mechanical system requirements including ventilation, ductwork, and equipment specifications. Refer to the official code text for complete requirements.
[F] 300.22.1 Wiring in Ducts and Plenums
Section 300.22.1 — Wiring in Ducts and Plenums. 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 Specifically Fabricated for Environmental Air
Section 300.22.B — Ducts Specifically Fabricated 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] 300.22(A) Ducts Used for Environmental Air - Wiring
Section 300.22(A) — Ducts Used for Environmental Air - Wiring. 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) Other Spaces Used for Environmental Air
Section 300.22(B) — 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] 300.22(C) Wiring in Other Spaces Used for Environmental Air
Section 300.22(C) — Wiring in Other Spaces Used for Environmental Air. 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] 300.23 Panels Designed to Allow Access
Section 300.23 — Panels Designed to Allow Access. 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] 300.25 Voltage Limitation in Buildings
Section 300.25 — Voltage Limitation in 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] 300.3 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] 300.3.1 Conductor Identification
Section 300.3.1 — Conductor Identification. 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] 300.3(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 Same Circuit
Section 300.3(B) — Conductors of Same Circuit. This section addresses mechanical system requirements including ventilation, ductwork, and equipment specifications. Refer to the official code text for complete requirements.
[F] 300.35 Temporary Wiring
Section 300.35 — Temporary 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] 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] 300.4.1 Protection Against Damage
Section 300.4.1 — 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] 300.4.2 Notches in Wood Members
Section 300.4.2 — Notches in 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 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 Nonmetallic-Sheathed Cables and Electrical Nonmetallic Tubing Through Metal Framing Members
Section 300.4.B — Nonmetallic-Sheathed Cables and Electrical Nonmetallic Tubing Through Metal Framing Members. 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] 300.4.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 Members and Furring Strips
Section 300.4.D — Cables and Raceways Parallel to Framing Members and Furring Strips. 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, Raceways, or Boxes in Shallow Grooves
Section 300.4.E — Cables, Raceways, or Boxes 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] 300.4(A) Protection Against Physical Damage - Cables Through Wood Members
Section 300.4(A) — Protection Against Physical Damage - Cables 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(B) Protection Against Physical Damage Notches
Section 300.4(B) — Protection Against Physical Damage Notches. 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 Through Metal Framing
Section 300.4(D) — Cables Through Metal 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 Installed in Shallow Grooves
Section 300.4(E) — Cables and Raceways Installed 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] 300.5 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] 300.5.1 Underground Installation Requirements
Section 300.5.1 — Underground Installation 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] 300.5.2 Underground Wet Locations
Section 300.5.2 — Underground 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] 300.5.3 Underground Under Buildings
Section 300.5.3 — Underground 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] 300.5.4 Underground Protection from Damage
Section 300.5.4 — Underground 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] 300.5.5 Underground Splices and Taps
Section 300.5.5 — Underground 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.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] 300.5(A) Underground Installations Minimum Cover Requirements
Section 300.5(A) — Underground Installations 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(D) Underground Protection from Damage
Section 300.5(D) — Underground 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(G) Underground - Raceway Seals
Section 300.5(G) — Underground - 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] 300.50 Underground Installations Over 1000 Volts
Section 300.50 — Underground Installations 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] 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] 300.6.1 Corrosion Protection
Section 300.6.1 — Corrosion Protection. 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 Nonferrous Metal Equipment
Section 300.6.B — Nonferrous 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] 300.7.1 Thermal Expansion
Section 300.7.1 — Thermal Expansion. This section addresses energy conservation requirements including thermal performance and building envelope specifications. 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, Deflection, and Contraction
Section 300.7.B — Expansion, Deflection, and Contraction. 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) Raceways Exposed to Different Temperatures - Sealing
Section 300.7(A) — Raceways Exposed to Different Temperatures - 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) Sealing Raceways
Section 300.7(B) — Sealing Raceways. 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 Raceways Not for Other Use
Section 300.8 — Raceways Not for Other Use. This section establishes occupancy classification and use requirements that determine applicable building code provisions. Refer to the official code text for complete requirements.
[F] 300.9 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 Conductors Scope
Section 310.1 — Conductors 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] 310.1.1 Conductors for General Wiring
Section 310.1.1 — Conductors for General Wiring. This section addresses mechanical system requirements including ventilation, ductwork, and equipment specifications. Refer to the official code text for complete requirements.
[F] 310.10 Uses Permitted
Section 310.10 — 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] 310.10.1 Temperature Limitation
Section 310.10.1 — Temperature Limitation. 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] 310.10.2 Conductor Wet Locations
Section 310.10.2 — Conductor Wet Locations. This section addresses mechanical system requirements including ventilation, ductwork, and equipment specifications. Refer to the official code text for complete requirements.
[F] 310.10.3 Conductor Corrosive Conditions
Section 310.10.3 — Conductor Corrosive Conditions. 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) Dry and Damp Locations
Section 310.10(B) — Dry and 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] 310.10(F) Temperature Limitations
Section 310.10(F) — Temperature 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] 310.10(G) Corrosive Conditions
Section 310.10(G) — 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] 310.10(H) Conductors in Parallel
Section 310.10(H) — 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] 310.12 Conductor Identification
Section 310.12 — Conductor Identification. This section addresses mechanical system requirements including ventilation, ductwork, and equipment specifications. Refer to the official code text for complete requirements.
[F] 310.14 Ampacities for Conductors Rated 0-2000 Volts
Section 310.14 — Ampacities for Conductors Rated 0-2000 Volts. This section addresses mechanical system requirements including ventilation, ductwork, and equipment specifications. Refer to the official code text for complete requirements.
[F] 310.14.1 Conductor Ampacity Determination
Section 310.14.1 — Conductor Ampacity Determination. This section addresses mechanical system requirements including ventilation, ductwork, and equipment specifications. Refer to the official code text for complete requirements.
[F] 310.15 Ampacity Tables and Adjustment Factors
Section 310.15 — Ampacity Tables and 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] 310.15.1 Ampacity Tables
Section 310.15.1 — Ampacity Tables. 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] 310.15.2 Ampacity Adjustment Factors
Section 310.15.2 — Ampacity 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] 310.15.3 Temperature Correction Factors
Section 310.15.3 — Temperature Correction 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] 310.15.4 Conductor Size Selection
Section 310.15.4 — Conductor Size Selection. This section addresses mechanical system requirements including ventilation, ductwork, and equipment specifications. Refer to the official code text for complete requirements.
[F] 310.15.B.1 General Adjustment Factors
Section 310.15.B.1 — General 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.B.2 Ambient Temperature Correction
Section 310.15.B.2 — Ambient Temperature Correction. 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(A) Ampacities - General
Section 310.15(A) — Ampacities - 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] 310.15(A)(1) Ampacity Tables - General
Section 310.15(A)(1) — Ampacity Tables - 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] 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(B)(1) Adjustment Factors - More Than Three Current-Carrying Conductors
Section 310.15(B)(1) — Adjustment Factors - More Than Three Current-Carrying 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(B)(2) Ambient Temperature Correction Factors
Section 310.15(B)(2) — Ambient Temperature Correction 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(B)(3) Temperature Correction Factors
Section 310.15(B)(3) — Temperature Correction 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(B)(4) Ampacity - Bare or Covered Conductors
Section 310.15(B)(4) — Ampacity - Bare or Covered 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(B)(5) Ampacity - Grounding and Bonding Conductors
Section 310.15(B)(5) — Ampacity - 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] 310.15(B)(6) Ampacity - 120/240V 3-Wire Single-Phase Dwelling Services
Section 310.15(B)(6) — Ampacity - 120/240V 3-Wire Single-Phase Dwelling 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] 310.15(B)(7) Single-Phase Dwelling Unit and Mobile Home Service and Feeder Conductors
Section 310.15(B)(7) — Single-Phase Dwelling Unit and Mobile Home Service and Feeder 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(C) Ampacity - Engineering Supervision
Section 310.15(C) — Ampacity - Engineering Supervision. 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(E) Ambient Temperature Correction
Section 310.15(E) — Ambient Temperature Correction. 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] 310.16.1 Ampacity Tables Application
Section 310.16.1 — Ampacity Tables Application. 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(75C) Ampacity Table - 75 Degree C Column
Section 310.16(75C) — Ampacity Table - 75 Degree C Column. 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(AL) Ampacity Table - Aluminum Conductors
Section 310.16(AL) — Ampacity Table - Aluminum Conductors. This section addresses mechanical system requirements including ventilation, ductwork, and equipment specifications. Refer to the official code text for complete requirements.
[F] 310.16(T) Ampacity Table - 60/75/90C Conductors
Section 310.16(T) — Ampacity Table - 60/75/90C Conductors. This section addresses mechanical system requirements including ventilation, ductwork, and equipment specifications. Refer to the official code text for complete requirements.
[F] 310.16(T2) Ampacity Table - Aluminum Conductors
Section 310.16(T2) — Ampacity Table - Aluminum Conductors. This section addresses mechanical system requirements including ventilation, ductwork, and equipment specifications. Refer to the official code text for complete requirements.
[F] 310.17 Ampacity Table - Single Conductors in Free Air
Section 310.17 — Ampacity Table - Single Conductors in Free Air. This section addresses mechanical system requirements including ventilation, ductwork, and equipment specifications. Refer to the official code text for complete requirements.
[F] 310.2 Conductors - Definitions
Section 310.2 — Conductors - 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] 310.2.1 Conductor Ampacities
Section 310.2.1 — Conductor Ampacities. This section addresses mechanical system requirements including ventilation, ductwork, and equipment specifications. 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 Conductors - General
Section 310.4 — Conductors - General. 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 Identification
Section 310.6 — Conductor Identification. This section addresses mechanical system requirements including ventilation, ductwork, and equipment specifications. Refer to the official code text for complete requirements.
[F] 312.1 Scope - Cabinets Cutout Boxes and Meter Socket Enclosures
Section 312.1 — Scope - Cabinets Cutout Boxes and Meter Socket Enclosures. This section establishes the scope, applicability, and administrative provisions for enforcement of this code. Refer to the official code text for complete requirements.
[F] 312.1.1 Cabinets and Cutout Boxes
Section 312.1.1 — Cabinets and Cutout Boxes. 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] 312.2 Damp and Wet Locations
Section 312.2 — Damp and 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] 312.3 Position in Wall
Section 312.3 — Position in Wall. 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] 312.4 Repairing Noncombustible Surfaces
Section 312.4 — Repairing Noncombustible 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] 312.5 Cabinets and Cutout Boxes
Section 312.5 — Cabinets and Cutout Boxes. 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.