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Old 09-08-2009, 02:34 PM   #1
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Help with wiring a new light fixture


We are trying to install a new light fixture in the bathroom. It seemed pretty easy, but we are running into complications.

The original light fixture was an old one with a pull-chain attached. There was no on/off switch in the bathroom. The person in the home before us installed a switch to the light so that you didn't have to use the pull-chain, and it was working fine.

We took down the old fixture and connected black to black, white to white, and grounded it to the fixture. When you turn the circuit breaker back on the light works, but as soon as you flip the switch, it trips the breaker.

Any suggestions as to what we are doing wrong or how it should be wired to get the switch to work properly? I currently have no light in the bathroom. Thanks in advance!

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Old 09-08-2009, 03:02 PM   #2
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Help with wiring a new light fixture


How many wires are in the switch box and light box? Can you post pics of the light box so we can see the wires?

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Old 09-08-2009, 03:06 PM   #3
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Help with wiring a new light fixture


Within the light box, there is a black wire and a white wire. From the switch, there is also a black wire and a white wire, as well as a ground. There are no other wires, however, there were several small wires attached in different places (green, white, etc.). We saved all the small pieces of wire, but neglected to take a photo of the wiring before taking everything down.
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Old 09-08-2009, 03:33 PM   #4
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Help with wiring a new light fixture


The white from the switch goes to the black in the box. The black from the switch goes to the black on the fixture. The fixture white goes with the remaining white.
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Old 09-08-2009, 08:51 PM   #5
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Help with wiring a new light fixture


wirenut1110

Excellent job on explaning how connect the switch loop.

Its amazing that some people won't buy a self help book on
Basic Wiring & Electrical Repairs.
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Old 09-08-2009, 09:06 PM   #6
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Help with wiring a new light fixture


Wirenut110 - thanks so very much for the help - it's really appreciated. What about the ground wire from the lamp and the ground wire from the switch?

Ranger31 - Have replaced other light fixtures but never had one so complicated. Didn't really feel the need to purchase a book as the directions that come along with basic installation do not apply because it's special circumstances.

Not trying to make enemies - just trying to get my light fixture replaced without the need for hiring a contractor. Thanks.
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Old 09-08-2009, 09:49 PM   #7
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Help with wiring a new light fixture


Quote:
Originally Posted by Ranger31 View Post
wirenut1110

Excellent job on explaning how connect the switch loop.

Its amazing that some people won't buy a self help book on
Basic Wiring & Electrical Repairs.
Why Should they?! There's DIY Chat....!!!!
(Now more than ever) Don't Drink and Drive!!!
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Old 09-09-2009, 06:08 AM   #8
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Help with wiring a new light fixture


tinkin3

Every one now and then I will have a brain fart. When that happens, I will take out a book on the subject, to refesh my memory.

And I meant no disrespect to you.

But, the people that answer the threads posted on this site were not born
all knowing. Some learn it by going to school, others pick up books on
the subject. And the electricians on this site, did OTJ training as well
as attend classes, on the subject.
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Old 09-09-2009, 07:50 AM   #9
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Help with wiring a new light fixture


All ground wires are tied together wherever they come together. Premade cables such as Romex with ground wires must be strung so the ground wire as well as the other wires have 6 inches entering the box. If no ground wire will reach, also add a short length (pigtail) of bare or green wire to connect to the strip frame of the switch, one to fasten to the box itself if metal, and one to connect to the framework of the light fixture if a flexible bare or green wire was not already provided.
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Old 09-09-2009, 08:00 AM   #10
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Help with wiring a new light fixture


AllanJ - that makes sense and explains the short pieces of wire that were there previously.

I really appreciate all the suggestions everyone has made. I've been working on what should have been a simple weekend bathroom project for five days (painting, new floor, new shelf and light). Sounds simple, but what could go wrong has gone wrong and I think the folks at Home Depot now know me by first name. I'm crossing my fingers that this does the trick!
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Old 09-09-2009, 10:26 PM   #11
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Thank you again, everyone. Light in bathroom successfully wired!

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