CSLB C-46 Solar ContractorSafetyEasy
A solar technician is working on a rooftop PV system and needs to identify the proper type of fire extinguisher for an electrical fire involving the inverter. Which class of fire extinguisher is specifically recommended for electrical fires?
- AClass A
- BClass K
- CClass D
- DClass C
Show answer & explanationAnswer & explanation
Correct answer: D. Class C
Class C fire extinguishers are specifically designed and approved for use on electrical fires, as they use non-conductive agents. Using other classes of extinguishers on electrical fires can be dangerous.
Why the other options are wrong
- A. Class A extinguishers are for ordinary combustibles like wood and paper and are conductive.
- B. Class K extinguishers are for cooking oils and fats, typically found in commercial kitchens.
- C. Class D extinguishers are for combustible metals and are not suitable for electrical fires.
Class C Fire Extinguisher
A type of fire extinguisher designed for fires involving energized electrical equipment.
- Uses non-conductive agents (e.g., CO2, dry chemical).
- Essential for safety when dealing with electrical fires.
- Identified by a 'C' symbol on the extinguisher.
Memory trick: Always Be Careful Doing Electrical Work, Kids!