Forums > Engine > Electricity: What should be done when performing maintenance of circuit breaker ...
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| What should be done when performing maintenance of circuit breaker contacts? | |
| A) inspect for wear and misalignment of main contacts | |
| B) use a metallic oxide abrasive cloth to dress contacts | |
| C) smooth roughened contact surfaces with a file | |
| D) apply a thin film of oil on contact surfaces | |
| Posted: 22 Apr 2026 08:01 UTC | Post #21 |
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| yeezycloting Deck & Engine |
Registered Total Posts: 362 |
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