For the purposes of safety and determining the shock hazard, nominal voltage is defined as the normal electrical system design voltage. This can be determined from what is displayed on nameplates, data plates, schematics, or single-line diagrams. What does the nominal voltage represent?
Official USCG Answer & Rule Citation
Correct Answer: Option D — average of phase to phase and phase to hull ground voltages
Under USCG National Maritime Center examination standards, the accepted correct answer is: average of phase to phase and phase to hull ground voltages.
100% Free & Open Access — No daily limits, paywalls, or gated answers on BrightMariner.