NFPA 70E 2012 is now in effect. What information does it require on arc flash labels?

The 2009 edition of NFPA 70E required that labels have either the available incident energy or the minimum arc flash rating for the PPE to be used. Plus every label had to have the arc flash boundary, nominal system voltage and the date of the arc flash analysis. If you have labels with this information, that were applied prior to October 1, 2011, those labels may remain. However, they must fully comply with NFPA 70E 2009.

We recommend that labeling throughout a facility be consistent. The same formant and information should be included on every label of the same type. So when someone looks at a warning label they know what to expect, what they are seeing means, and exactly where to look for the needed information. For this reason we recommend replacing all arc flash labels when you reach the point at which new arc flash labels must be used in any location in your facility.

The NFPA 70E 2012 code requires the following:

At least one of the following must be included:

• Available incident energy and corresponding working distance
• The highest hazard or risk category (NFPA 70E Table 130.7(C)(15)(a) and Table 130.7(C)(16) for the description of the PPE.
• The minimum arc rating of required clothing
• The minimum required level of PPE

In addition the nominal system voltage and arc flash boundary must be included.

Your existing arc flash label may already be compliant with NFPA 70E 2012, and no changes are required. However, NFPA 70E 2012 provides greater flexibility allowing you to use labels that, for your facility, are more effective and easier to understand.


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