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3844Labels

MN · 2025 Standard Specifications✓ Full text on BuildSpecBook pages 1034–0 Save this section

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3844.1SCOPE

Provide the required labels.

3844.2REQUIREMENTS

Provide labels meeting the following:

(1)Self-adhering label
(2)Machine printed numbers and letters
(3)Suitable for placement in damp locations
(4)Paper based labels are not acceptable
(5)Placed on the inside of the service cabinet on the dead front door so it is visible when

the dead front door is closed A Light Pole and Luminaire Numbering Labels Provide labels in accordance with 2545.3M.1 “Lighting System Numbering” and 2545.3M.2.c “Labeling Luminaires,” Note (2). Use approved labels listed on the APL, Lighting. B Arc Flash Warning Labels Provide arc flash warning labels for service cabinets based on the following potential ampacity conditions. B.1 Arc Flash Warning Labels ≤ 25,000 Amps Provide labels with the following information when calculated available fault current is ≤ 25,000 amps:

(1)Warning
(2)Arc Flash Hazard
(3)Appropriate PPE Required
(4)Arc Flash Boundary 19 inches
(5)Arc Flash PPE Category _______
(6)Working Distance 18 inches
(7)Arc Flash Personal Protection Equipment (PPE)
(8)List required clothing for a Min Arc Rating of 4 cal/cm², and required protective

Equipment in accordance with Table 130.7(C)(16) Personal Protective Equipment (PPE) from the current edition of NFPA 70E Standard for Electrical Safety in the Workplace

(9)Equipment ID: _______________

B.2 Arc Flash Warning Labels > 25,000 Amps Provide labels with the following information when the calculated available fault current is > 25,000 amps:

(1)Warning
(2)Arc Flash Hazard
(3)Appropriate PPE Required
(4)Arc Flash Boundary Feet
(5)Arc Flash PPE Category _______
(6)Working Distance 18 inches
(7)Arc Flash Personal Protection Equipment (PPE)
(8)List required clothing for a Min Arc Rating of _ (fill in the blank based on

calculated available fault current) __ cal/cm², and required protective Equipment in accordance with Table 130.7(C)(16) Personal Protective Equipment (PPE) from the current edition of NFPA 70E Standard for Electrical Safety in the Workplace

(9)Equipment ID: _______________

C Available Fault Current Calculation Labels Provide Available Fault Current Calculation labels for service cabinets containing the following information:

(1)Transformer Size in kVA
(2)Available fault current in amps at the terminations of the utility transformer
(3)Available fault current in amps at the line side of the meter socket
(4)The date the calculations were made

3844.3SAMPLING AND TESTING

The Department reserves the right to sample, test, inspect, and accept or reject labels based on its own tests.

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Source: Minnesota Standard Specifications for Construction, 2025 Edition. Pages 1034–0 of 1,081. View official source ↗

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