Answer :
The class of fire extinguishers that are suitable for extinguishing electrical fires and utilize dry chemicals are known as Class C fire extinguishers.
Class C fire extinguishers are specifically designed for fires involving energized electrical equipment, such as electrical panels, wiring, appliances, or machinery. The dry chemicals used in these extinguishers are non-conductive, which means they do not conduct electricity and can be safely used on live electrical equipment.
The most common type of dry chemical used in Class C fire extinguishers is a dry powder, such as monoammonium phosphate (ABC powder) or sodium bicarbonate (regular or BC powder). These dry chemicals work by smothering the fire, interrupting the chemical reaction, and cooling down the flames.
It is important to note that when using a Class C fire extinguisher on an electrical fire, the power source should be shut off or isolated, if possible, before attempting to extinguish the fire. This helps to minimize the risk of electric shock and ensures the safety of the individuals using the extinguisher.
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