All circuit breakers, whether magnetic, thermal, or thermal/magnetic, are required by the NE Code® to be ___, which indicates that if the circuit breaker is switched on and into a fault overcurrent circuit condition

All circuit breakers, whether magnetic, thermal, or thermal/magnetic, are required by the NE Code® to be __________, which indicates that if the circuit breaker is switched on and into a fault overcurrent circuit condition, the latch switch will trip internally — even if the operator (or other person) holds the handle in the on
position.

A) trip free
B) thermally-protected
C) free-to-trip
D) Either free-to-trip or thermally-protected

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Answer:A

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