A single 3-position switch operator can control two or more motors if separate contact blocks are stack-mounted on the backside of the operator.
With Motor 1 controlled from the left position, the center used as the ON position, and Motor 2 controlled from the right position:
Both sets of switching contacts (contact blocks) must be at-rest in a __________________ configuration.
When switched to the left position, only the contacts controlling __________________ should open.
When switched to the right position, only the contacts controlling __________________ should open.
A) NO; Motor 2; Motor 1
B) NC; Motor 1; Motor 2
C) NO; Motor 1; Motor 2
D) NC; Motor 2; Motor 1
Show Answer
Answer:D
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