NFPA 70E PPE Categories 0-4, Decoded
Five categories, one incident-energy number deciding which one applies, and a hard ceiling above 40 cal/cm² where the tables simply stop answering the question.
Read more →The 15-Second Glove Check That Prevents Fatalities
Rubber insulating gloves are the main thing standing between a qualified worker's hands and a lethal shock. The air inflation test that verifies they're intact takes about 15 seconds - and skipping it is more common than it should be.
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