With 3-phase AC manual motor starter, when power is applied to the motor supply / control circuit by the closing of the knife switch disconnect in the motor-controls wiring laboratory, ___ VAC

Multiple Choice Questions Electrical MCQ
1

With 3-phase AC manual motor starter, when power is applied to the motor supply / control circuit by the closing of the knife switch disconnect in the motor-controls wiring laboratory, ______________________ VAC should be available as measured between any two line-side terminals (L1-to-L2, L1-to-L3, or L2-to-L3) of the motor starter.

A) Zero
B) 480
C) 208
D) 120

Show Answer

Answer:C

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