Arc Flash PPE Categories

As per NFPA 70E, you are required to have PPE appropriate to hazard risk category (HRC). Required PPE as described in NFPA 70E are:

 

NFPA 70E Hazard Risk Categories
HRC Incident Energy (cal/cm2) Required Clothing
0 1.2 Untreated Cotton
1 4 Cotton underwear FR shirt and FR pants or FR coveralls
2 8 Cotton underwear FR shirt and FR pants or FR coveralls
3 25 Cotton underwear FR shirt and FR pants and FR coveralls
4 40 Cotton underwear FR shirt and FR pants and double layer switching coat and pants

Cal/cm2 is the unit of measurement of incident energy. Note that a hard hat with full-face shield and the appropriate gloves are required also.

Check out our arc flash solutions to see a complete range of appropriate PPE when working on or around electrical systems.