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The new 70E Standard permits cotton clothing to be worn as a base layer beneath a worker's PPE, but the cotton layer does not count toward the PPE's required arc rating. Because of the safety hazards posed by cotton and the fact that it isn't considered protective layering by the NFPA, it makes sense for workers to eliminate cotton and ...

This layering of protective clothing (along with the other appropriate personal protective equipment) satisfies the NFPA 70E standard for electrical safety requirements for arc protection. For example, the combination of a daily-wear shirt with an arc rating of 8.7 cal/cm² (HRC 2) and an 8.7 cal/cm² arc-rated coverall over it achieves a 27.2 ...

Arc flash clothing suppliers, videos, articles, calculators, and much more. Resources for arc flash testing. Arc, Flame, and Thermal Testing and Certification from industry experts. Testing Dates | ... ArcWear invites you to review the results of our 2 layer fabric testing. These reliable reports are from actual arc flash tests we have performed.