In this case, if there is no voltage present before the fuse, the circuit breaker (CB) in the panel may be turned off or tripped (out or open).
If the CB is turned off, the simplest procedure is to turn it __________ __________.
If the CB is tripped off, indicated by the handle remaining in the _____________ or _____________ position, the problem needs further investigation.
The overcurrent protection system went _______________________ if the opening of the CB protected the control fuse.
A) center or neutral; investigation; non-selective; back on
B) center or neutral; back on; investigation; non-selective
C) back on; center or neutral; investigation; non-selective
D) any of the answers
Show Answer
Answer:C
Share your understanding of this question with the correct explanation.