Safety, Fire & Survival · Fire — Classes
A fire involving energized electrical equipment is classified (U.S.) as a:
- AClass A fire
- BClass B fire
- CClass C fire✓ Correct
- DClass D fire
Explanation
Class C involves energized electrical equipment; the extinguishing agent must be non-conductive (CO2, dry chemical). Class A is ordinary combustibles, B flammable liquids, D combustible metals, K cooking oils.
Authority: NFPA 10; U.S. fire classification
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