The abbreviations NO (normally open) and NC (normally closed) represent the electrical state of switch contacts when:
A)power is applied.
B)power is not applied.
C)the switch is actuated.
D)the switch is not actuated.

Question

Quizplus · Accepted Answer

The abbreviations NO and NC indicate the electrical state of switch contacts when the switch is not actuated (not pressed, not activated). NO means that the switch contacts are open when the switch is not actuated, while NC means that the switch contacts are closed when the switch is not actuated.

The Abbreviations NO (Normally Open) and NC (Normally Closed) Represent