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Old 09-10-2012, 09:54 AM   #1
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tripped circuit breaker removing fan..


im hoping not to sound like an idiot.

i was removing the fan to replace it with a new one. i did not turn off the
breaker, but instead turned off the 2 switches on the wall that controlled the fan and the light. as i disconnected the wires and removed the metal bracket that is bolted to the box in the ceiling, the neutral wire touched the copper wire, and tripped the circuit. I reset the breaker and checked for voltage with all 3 wires disconnected at the fan connection. no power present anywhere thats measurable....my dad says something is screwed up, boss says it is ok and thats what will sometimes happen depending on how the circuit is wired. what do i do? would rather not cause a fire. thanks! chris

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Old 09-10-2012, 09:59 AM   #2
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tripped circuit breaker removing fan..


Who is your boss and how can he make that statement?

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Old 09-10-2012, 10:06 AM   #3
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tripped circuit breaker removing fan..


apprently someone that does not know what is going on? where do i start to find the problem?
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Old 09-10-2012, 10:17 AM   #4
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tripped circuit breaker removing fan..


AFCI breaker? Neutral-ground contact will trip these.
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Old 09-10-2012, 10:43 AM   #5
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tripped circuit breaker removing fan..


Quote:
Originally Posted by HouseHelper View Post
AFCI breaker? Neutral-ground contact will trip these.
Yep, even with the switch off, the arcfault breaker will trip with a neutral ground connection.
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Old 09-10-2012, 10:55 AM   #6
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tripped circuit breaker removing fan..


sounds like the hot was fed to the fan first and the down to the switch box.
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Old 09-10-2012, 11:05 AM   #7
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tripped circuit breaker removing fan..


i will have to check my connections and the breaker on my lunch break. i disconnected the wiring and connected the fan wires directly to the feed with no switches in line and then touched the white wire to ground and it still tripped the breaker. thanks for all your help.
chris

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