Class C - it will be indicated with a blue circle. It uses a dry chemical to put out the flames.
These types of extinguisher are often found as BC or ABC-class extinguishers, which work on any of the listed class of fires.
Do NOT use a Class A extinguisher on an energized electrical fire. First turn of the electricity, if that is the only extinguisher you have.
class C
the best fire extinguisher for high voltage is a c extinguisher because it can put out electrical fires
ABC, BC or C. It is often best to disconnect the electrical power and use an extinguisher appropriate for whatever type of fuel happens to be burning (A or B). Do NOT use a water-type A fire extinguisher on an energized electrical fire.
A Class C fire extinguisher.
Fire extinguisher symbols
A class C fire is an electrical fire. A class C extinguisher is approved for electrical fires.
Baking Soda & Class-C or ABC Fire ExtinguisherIf a fire extinguisher is not available and the fire is small, dousing it with enough baking soda can put it out. If you have one, use a class-C or multi-purpose ABC fire extinguisher to put out the flames. You can not use any other kind of fire extinguisher on an electrical fire (the extinguisher should be clearly marked, but if it's not and you're not sure what kind it is, don't use it)NEVER-EVER-EVER-use water on an electrical fire as it could cause electrocution-use a class-A fire extinguisher on an electrical fire.
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NO!!!!! Use a Dry Chemical extinguisher
NO!!!!! Use a Dry Chemical extinguisher
The carbon dioxide fire extinguisher can be used on electrical fires, where there is a danger of an electrical shock if a soda water extinguisher was used.
The most common are dry chemical extinguishers, which have the drawback of contaminating the circuitry if used. However, damage from the fire will likely be greater. The same applies to CO2 extinguishers, which can damage computers and peripherals with condensation from the air, and also damage circuit boards if they cool them down. The ideal electronics fire extinguisher is the halon gas extinguisher, which smothers the fire without doing extensive damage. The drawbacks are higher cost and the likelihood of environmental impact. Europe and Australia currently restrict or prohibit Halon use.
By an extinguisher with a C rating. The C just means the extinguisher can be used on a live electrical fire.