Indicating lights, which indicate either an alarm or the run status of process pumps or blowers, are normally of the _________________ type, which is mounted with NO and NC contacts that connect the indicating lamp to an alternate source when the light assembly (lighted pushbutton) is activated.
A) none of the answers
B) push-to-test
C) at-rest
D) push-to-start
Show Answer
Answer:B
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