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Old 06-09-2012, 02:05 PM   #1
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What went wrong?


I have a newly renovated bathroom, light switch not working the vanity light, I replaced the light switch but the breaker will not stay on and I am getting no power, what did I do wrong i replaced the wire exactly like the other switch?

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Old 06-09-2012, 02:29 PM   #2
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What went wrong?


If you post a picture of the connections you made or can tell us how you connected the wires we should be able to help you.

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Old 06-09-2012, 02:31 PM   #3
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What went wrong?


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Originally Posted by Diyenthusiast View Post
I have a newly renovated bathroom, light switch not working the vanity light, I replaced the light switch but the breaker will not stay on and I am getting no power, what did I do wrong i replaced the wire exactly like the other switch?
double checking wiring. Sounds like you got a wire crossed up.

Could be a shorted romex cable to box. If you use metal boxes and crank down too hard on cable clamp it can pinch into cable and short hot to ground. That will trip breaker.
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Old 06-09-2012, 02:38 PM   #4
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i replaced the wire exactly like the other switch?
With these problems, it's possible you didn't.
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Old 06-09-2012, 02:46 PM   #5
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What went wrong?


I have also seen people mix up switch legs and have it black to black and white to white at the light and black and white at switch and it kicks the breaker when the switch is on.
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Old 06-10-2012, 02:52 AM   #6
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I had that problem once, replaced a couple of lights and the switch that controlled them; breaker couldn't be reset after I completed the work. Checked and double checked my work, all ok. Local electrician tested & confirmed that the breaker was bad. Just by chance, it'd chosen that moment to fail.
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Old 06-10-2012, 05:35 AM   #7
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WHich situation do you have? Notice on the right diagram(where power comes into the light fixture location), the incoming hot conductor(black) is wire nutted to a white conductor which provides power to the switch. The switched power from the switch is returned to the light on the black conductor within the cable going to the switch(switch loop)

Notice on the diagram on the left when power enters the light switch location, the wiring is different
Attached Thumbnails
What went wrong?-one-sp-switch-one-lite-power-switch.jpg   What went wrong?-switch-loop.jpg  


Last edited by hammerlane; 06-10-2012 at 05:38 AM.
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