Arc Flash & Electrical Safety News

Blog Author Steve Hudgik

Wednesday, October 10, 2007

NEC Digest Survey - Field Marking Electrical Equipment for Arc Flash Hazards

The NEC Digest has published the results of a survey they conducted earlier this year. An article, in the August issue of NEC Digest states:

"The requirement for field-marking elec­trical equipment to warn of potential arc flash hazards was first added to the National Electrical Code (NEC) in 2002. We at necdigest wanted to know where, in your jobs, you see these warning labels applied, what information they contain, and how you determine arc flash energy levels for your facilities. So we sent out an email survey, and here’s what you told us."

It was surprising to see that the survey found only 14% of equipment installed before 2002 had arc flash warning labels, and only 52% of the equipment installed in 2002 and later had arc flash labels.

You can read the summary of the survey on the NEC Digest web site.


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