The acronym __________ indicates the normally-open held-closed at-rest status of the control contacts.
A) NC
B) NO
C) NO-HC
D) NO-HO
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Answer:C
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The acronym __________ indicates the normally-open held-closed at-rest status of the control contacts.
A) NC
B) NO
C) NO-HC
D) NO-HO
Answer:C
Share your understanding of this question with the correct explanation.