HRC Level 4: minimum 40 cal/cm2 ATPV rating

Typical Protective Clothing Systems – Source: NFPA 70E Table 130.7(C)(11)
Hazard Risk Category Clothing Description (#of layers in parenthesis) Minimum ATPV
4 Cotton Underwear PLUS FR Shirt and FR Pant PLUS Double Layer Switching Coat and Pants (3 or more) 40

Arc flash equipment distributed by Arnett meets or exceeds the following standards:

ASTM F1506

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