Have 120 Volts With Circuit Breaker Off - Electrical - DIY Chatroom Home Improvement Forum

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Old 07-02-2011, 10:19 PM   #1
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Have 120 volts with circuit breaker off

I am trying to complete an addition to my home that started 2 years ago. I have gone through 3 electricians on the project and trying to finish the rest myself. I had a circuit breaker that would buzz then trip. I at first thought it was a short, but then put my wulti meter on the wire of that circuit breaker when it was off and I had 120 volts even though the breaker was off. I also had 120 volts on the neutral line for that circuit. Any thought and solutions would be greatly appreciated


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Old 07-03-2011, 06:54 AM   #2
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The circuit in question is probably tied into another circuit somewhere, possibly in a receptacle/switch box, etc., in or near your addition.

Start by turning off other breakers until the voltage disappears. Then open the recpt/switch/j-boxes/lights, etc…I’ll bet you’ll find those 2 circuits tied together somewhere.



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Old 07-03-2011, 11:14 AM   #3
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Would are you using to detect the voltage? Pen type non-contact detectors can give false positives.
Answers based on the National Electrical Code. Local amendments may apply. Check with your local building officials.
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