The 4 arc flash PPE categories:
- Hazard Risk Category 1
- Min Arc Rating: 4.0 Cal/cm^2
- Hazard Risk Category 2
- Min Arc Rating: 8.0 Cal/cm^2
- Hazard Risk Category 3
- Min Arc Rating: 25.0 Cal/cm^2
- Hazard Risk Category 4
- Min Arc Rating: 40.0 Cal/cm^2
The 4 arc flash PPE categories: