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Electrician Red Seal · Question

What is the purpose of anti-condensate heaters in large outdoor electrical enclosures or motor windings?

Anti-condensate heaters are used to raise the internal temperature of enclosures or motors slightly above the ambient temperature, preventing moisture from cond

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Question: What is the purpose of anti-condensate heaters in large outdoor electrical enclosures or motor windings?

Answer options:

  • To pre-heat the equipment for faster startup in cold weather. ✅ To prevent moisture accumulation and condensation inside the enclosure, which can lead to insulation breakdown.
  • To provide a comfortable working temperature for electricians.
  • To reduce the motor's starting current.

Correct answer: To prevent moisture accumulation and condensation inside the enclosure, which can lead to insulation breakdown.

Explanation: Anti-condensate heaters are used to raise the internal temperature of enclosures or motors slightly above the ambient temperature, preventing moisture from condensing on internal components. Condensation can lead to insulation degradation and equipment failure.

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