Marine Electrical Systems USCG Question #488 (Set 17)

Which of the following statements is true concerning the motor controller circuit shown in the illustration? Illustration EL-0004

USCG Exam Illustration EL-0004
USCG Examination Diagram: Illustration EL-0004
Official USCG Answer & Rule Citation

Correct Answer: Option C — The controller is configured for use with a three phase non-reversible squirrel-cage induction motor.

Standard three-phase non-reversible controllers utilize a single set of forward line contactors without phase-reversing interlocks, matching standard squirrel-cage induction motor control schematics outlined in IEEE 45.

100% Free & Open Access — No daily limits, paywalls, or gated answers on BrightMariner.
Back to Marine Electrical Systems Sets