Arc Flash Warning Labels and Equipment Labeling

Have there been any changes in NFPA 70E 2015 regarding Arc Flash Warning Labels or Equipment Labeling?

Yes, for the most part everything is the same except one big item has been left off the required list.

Here is how NFPA 70E 2015 and NFPA 70E 2012 compare:

NFPA 70E 2015 Article 130.6 (D) Equipment Labeling

Electrical equipment such as switchboards, panelboards, industrial control panels, meter socket enclosures, and motor control centers that are in other than dwelling units and that are likely to require examination, adjustment, servicing, or maintenance while energized shall be field marked with a label containing all the following information:

(1) Nominal system voltageArc Flash Warning Label NFPA 70E 2015

(2) Arc flash boundary

(3) At least one of the following:

a. Available incident energy and the corresponding working distance, or the arc flash PPE category in the table 130(C)(15)(A)(b) or Table 130.7 (C)(15)(B) for the equipment but not both

b. Minimum Arc Rating of clothing

c. Site-specific level of PPE

Exception: Labels applied prior to September 30,2011 are acceptable if they contain the available incident energy or required level of PPE.

The method of calculating and the data to support the information for the label SHALL BE DOCUMENTED. Where the review of the arc flash hazard risk assessment identifies a change that renders the label inaccurate, the label shall be updated.

The owner of the electrical equipment shall be responsible for the documentation, installation, and maintenance of the field-marked label.

NFPA 70E 2012 Article 130.5 (C) Equipment Labeling

Electrical equipment such as switchboards, panelboards, industrial control panels, meter socket enclosures, and motor control centers that are in other than dwelling units and that are likely to require examination, adjustment, servicing, or maintenance while energized shall be field marked with a label containing all the following information:

(1) At least one of the following:

a. Available incident energy and the corresponding working distance

b. Minimum arc rating of clothing

c. Required level of PPE

d. Highest Hazard/Risk Category (HRC) for the equipment

(2) Nominal system voltage

(3) Arc Flash boundary

Exception: Labels applied prior to September 30,2011 are acceptable if they contain the available incident energy or required level of PPE.

The method of calculating and the data to support the information for the label SHALL BE DOCUMENTED.