For workers whose work in the industries where an arc flash or flash fire risk is present, they shall wear flame-resistant garment. But how to know what you wear is able to supply minimum safety and flame-resistant? You must understand for the right protective equipment and standard.
NFPA 2112
The NFPA 2112 is a standard for PPE, and the NFPA is mean of National Fire Protection Association. This standard place for protecting workers from flash fire exposures included design, construction, evaluation, and safety of FR garments. This standard purpose is to provide basic protection and reduce burn injury to wearer when thermal exposures or accidental exposure to flash fires.
There is main four testing:
- Flame resistance(vertical)
- Thermal shrinkage resistance
- Heat resistance
- Manikin testing
CAT 2
The NFPA 70E/ASTM F1506 is standard for electrical safety in the workplace, and it’s developed for companies that operate in the electrical utility industry for protection to workers.
The standard establishes CAT categories and defines the arc rating needed by clothing.
CAT 1 4.0 cal/cm²
CAT 2 8.0 cal/cm²
CAT 3 25 cal/cm²
CAT 4 40 cal/cm²