Fires involving electrical apparatus belong to which class?

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Multiple Choice

Fires involving electrical apparatus belong to which class?

Fires are categorized by what is burning. When the fuel is electrical equipment or appliances, the fire is treated as an electrical fire. In this system, electrical fires are labeled as Class E. This is the best answer because it directly identifies the source of the fire—the electrical energy in the equipment—which determines the safe extinguishing methods and safety precautions. If the power can be safely switched off, do so; otherwise, use extinguishing methods that do not conduct electricity, such as a non-conductive dry powder or CO2 extinguisher. Water must be avoided on live electrical fires because it conducts electricity and can pose a shock hazard. Other classes correspond to different fuels: ordinary combustibles, flammable liquids, metals, or cooking fats.

Fires are categorized by what is burning. When the fuel is electrical equipment or appliances, the fire is treated as an electrical fire. In this system, electrical fires are labeled as Class E. This is the best answer because it directly identifies the source of the fire—the electrical energy in the equipment—which determines the safe extinguishing methods and safety precautions. If the power can be safely switched off, do so; otherwise, use extinguishing methods that do not conduct electricity, such as a non-conductive dry powder or CO2 extinguisher. Water must be avoided on live electrical fires because it conducts electricity and can pose a shock hazard. Other classes correspond to different fuels: ordinary combustibles, flammable liquids, metals, or cooking fats.

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