OUPV & 100-Ton Master · Firefighting
The class of fire involving energized electrical equipment is:
- AClass A
- BClass B
- CClass C✓ Correct
- DClass D
Explanation
Class C fires involve energized electrical equipment; a non-conductive agent (CO2 or dry chemical) must be used, never water. Class A is ordinary combustibles, Class B flammable liquids, Class D combustible metals.
Authority: Firefighting principles; NFPA fire classes
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