The overcurrent protection of an electric motor is normally split with the branch-circuit OCPD providing the necessary fault overcurrent protection, and supplemental devices, such as the heaters in an across-the-line motor-starter or a current-sensing relay, providing the necessary running ____________ protection of the motor.
Only the branch-circuit fuse or circuit breaker can provide the necessary ____________overcurrent protection required for the motor and its supply circuit conductors.
A) short-circuit ground-fault; short-circuit ground-fault
B) overload; short-circuit ground-fault
C) short-circuit ground-fault; overload
D) overload; overload
Show Answer
Answer:B
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