Which statement is true about Class C fires regarding electrical equipment?

Which statement is true about Class C fires regarding electrical equipment?

• A. Use water to cool the equipment
• B. Use foam aggressively
• C. Keep power on to avoid short circuits
• D. Shut off the power and treat as Class A or B fire

Answer: (D)

When a fire involves electrical equipment, the first priority is to remove the energizing source. If you can safely shut off the power, do so. This stops the current and reduces the risk of electric shock while you work. After the power is cut, approach the fire based on the actual fuel involved—if you’re dealing with ordinary combustibles, use an extinguisher rated for Class A; if it’s a flammable liquid, use one rated for Class B. If you can’t safely disconnect the power, avoid water and other conductive agents, and use a non-conductive extinguisher such as dry chemical or CO2. The best statement reflects this sequence: shut off the power and then treat as a fire of the appropriate non-electrical class. This prioritizes safety by eliminating the electrical hazard and then applying the correct extinguishing method for the fuel involved.

When a fire involves electrical equipment, the first priority is to remove the energizing source. If you can safely shut off the power, do so. This stops the current and reduces the risk of electric shock while you work. After the power is cut, approach the fire based on the actual fuel involved—if you’re dealing with ordinary combustibles, use an extinguisher rated for Class A; if it’s a flammable liquid, use one rated for Class B. If you can’t safely disconnect the power, avoid water and other conductive agents, and use a non-conductive extinguisher such as dry chemical or CO2. The best statement reflects this sequence: shut off the power and then treat as a fire of the appropriate non-electrical class. This prioritizes safety by eliminating the electrical hazard and then applying the correct extinguishing method for the fuel involved.