In case of fire due to electric short circuit, which one of the following types of fire extinguishers is used ?
Foam extinguisher
Dry chemical powder extinguisher
Pressurized water extinguisher
None of the above
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This question was previously asked in
UPSC CISF-AC-EXE – 2017
Fires involving electrical equipment (often classified as Class E or Class C fires) require an extinguishing agent that is non-conductive. Water-based extinguishers (like pressurized water or foam, which is largely water) are conductive and can pose a severe electrocution risk to the user when used on electrical fires. Dry chemical powder extinguishers (like ABC powder) use fine powder that smothers the fire and also works on Class A, B, and C fires, making them suitable and common for electrical fires.