Drawn open or apart, the parallel lines in the symbol for instant-operating contacts indicates a set of _____________ - _________ contacts.
Drawn with a diagonal line across the open parallel lines symbolizes a set of _____________ - _________ contacts.
A) normally-closed; normally-closed
B) normally-open; normally-closed
C) normally-closed; normally-open
D) normally-open; normally-open
Show Answer
Answer:B
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