Marine Electrical Systems USCG Question #500 (Set 17)

Moisture damage, as a result of condensation occurring inside of the cargo winch master switches, can be reduced by the use of what installed equipment?

Official USCG Answer & Rule Citation

Correct Answer: Option A — using strip heaters inside the switch box

Internal condensation within deck-mounted cargo winch master switches is actively prevented by installing continuous internal strip heaters, keeping enclosure temperatures above the dew point per IEEE 45 recommendations.

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