Marine Electrical Systems USCG Question #730 (Set 25)

What are the operational characteristics of the split phase motor shown in figure "A" of the illustration? EL-0215

USCG Exam Illustration EL-0215
USCG Examination Diagram: Illustration EL-0215
Official USCG Answer & Rule Citation

Correct Answer: Option C — The motor is reversible and dual-voltage, configured for low volts.

Dual-voltage split-phase motors configured for low voltage use parallel main and auxiliary winding connections, maintaining reversibility through terminal interchange, standard for marine ventilation and pump service per IEEE 45 recommendations.

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