When shore power is being connected to a ship in dry dock, what must be ensured, assuming that the ship's generators are rated at 450 VAC, 60Hz with a total capacity of 5000 kW?
Official USCG Answer & Rule Citation
Correct Answer: Option C — shore power phase sequence must agree with that of the ship
Connecting shoreside electrical power to a vessel requires absolute verification that the shore supply phase sequence matches the shipboard system to prevent severe reverse rotation and catastrophic damage to connected electric machinery per IEEE 45.
100% Free & Open Access — No daily limits, paywalls, or gated answers on BrightMariner.