Similar to a double-circuit, momentary PB, control-circuit switch, the switch block of an industrial-type limit switch has four wire terminals.
The ___________ switching contacts are normally connected across terminals #1 and #2; the ___________ contacts are normally connected across terminals #3 and #4.
A) none of the answers
B) NO; NC
C) NC; NO
D) all of the answers
Show Answer
Answer:B
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