Marine Electrical Systems USCG Q#323 (Set 11)

How are fuses rated?

Official USCG Answer & Rule Citation

Correct Answer: Option C — voltage, amperage, and interrupting capacity

Marine overcurrent protective devices must be rated for voltage, continuous amperage, and interrupting capacity to safely clear maximum prospective fault currents. This standard is mandated by 46 CFR Subchapter J and IEEE 45 for safety.

All Marine Electrical Systems Sets Practice Set 11