General Subjects (Auxiliaries & Systems) USCG Question #2318 (Set 37)

Coast Guard electrical engineering regulations specify capacity ratings for electrical equipment. Based on the inspection of the cables on one of your ship's service generators, you've decided that the cables need to be replaced. The current-carrying capacity of the replacement generator cables should be what percent of the continuous generator rating?

Official USCG Answer & Rule Citation

Correct Answer: Option C — Less than 115 percent

Title 46 CFR electrical engineering regulations mandate that replacement cables supplying shipboard service generators must possess a current-carrying capacity of not less than 115 percent of the continuous generator rating. This safety factor accounts for potential continuous overloads and ambient temperature variations.

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