Dirt on electrical equipment can

Dirt on electrical equipment can

• A. increase the temperature of equipment
• B. increase service life of the equipment
• C. provide a safe protective covering on equipment
• D. decrease the temperature of equipment

Answer: (A)

Dirt on electrical equipment reduces its ability to dissipate heat. Dust and grime form an insulating layer and can clog cooling vents or fins, making it harder for the equipment to shed heat. When heat builds up, insulation and components can degrade faster, increasing the risk of insulation damage, arcing, or equipment failure. The overall effect is a higher operating temperature, which is why increasing temperature is the best answer. Dirt does not increase service life, provide protective coverage, or decrease temperature. Keeping equipment clean and free of dust helps maintain proper cooling and safety.

Dirt on electrical equipment reduces its ability to dissipate heat. Dust and grime form an insulating layer and can clog cooling vents or fins, making it harder for the equipment to shed heat. When heat builds up, insulation and components can degrade faster, increasing the risk of insulation damage, arcing, or equipment failure. The overall effect is a higher operating temperature, which is why increasing temperature is the best answer. Dirt does not increase service life, provide protective coverage, or decrease temperature. Keeping equipment clean and free of dust helps maintain proper cooling and safety.