Most power contactors have openings or protruding pins or parts that will allow the contact block to be closed manually.
If the power contactor is mechanically locked-out by the energization of the other power contactor solenoid, the held-open power contactor cannot be closed ___________.
The mechanical interlock prevents the possibility of a short circuit to the equipment power supply.
A) Any of the answers
B) electrically
C) manually
D) magnetically
Show Answer
Answer:A
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