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09/12/2013

Podcast #5

Identifying Design Solutions for Optimum Arc Flash Safety

Podcasts are Q&A with Schneider Electric engineers and experts.

In This podcast are questions asked during the “Identifying Design Solutions for Optimum Arc Flash Safety” webinar hosted by Schneider Electric.

Questions answered in this Podcast are:

1. Can you site the specific portion or article in 70E that requires that all equipment be labeled with the actual energy of a possible arc flash hazard?
2. Are the 70E labels mandatory when 70 allows simpler labels?
3. How should 120/240V single-phase panels be treated? The question is in reference to cases in which upstream devices do not clear the fault quickly. Neither NFPA 70E nor IEEE 1584 appear to give any guidance.
4. What are the latest NEC requirements relating to Arc Flash requirements?