Question 31
A 120 V receptacle shows 0 V from hot to neutral, 120 V from hot to ground, and 120 V from neutral to ground. What is the most likely issue?
Question 32
During troubleshooting, an electrician measures 120 V from hot to neutral at a receptacle, but a plugged-in lamp does not operate. The lamp is known to be good. Which is the MOST likely issue?
Question 33
A receptacle tester indicates 'hot/ground reversed' when plugged into a receptacle. Which wiring error most likely causes this reading?
Question 34
A feeder is run 200 ft to a subpanel. During periods of high load, lights slightly dim when large equipment starts. What is the MOST likely electrical cause?
Question 35
A bathroom circuit uses a GFCI receptacle at the first outlet to protect downstream receptacles. A second bathroom is incorrectly tied into the load side of this GFCI with a shared neutral from another circuit. The GFCI trips frequently. What is the most likely cause?
Question 36
During troubleshooting, a receptacle on a multi-outlet branch circuit is dead, but upstream receptacles are energized. Which is the most likely cause?
Question 37
While testing a 120 V circuit with a digital multimeter, an electrician reads 120 V from hot to neutral and 120 V from hot to ground, but 0 V from neutral to ground. What does this indicate?
Question 38
If a receptacle tester indicates 'Open Neutral', what is the likely issue?