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Old 05-18-2008, 01:54 AM   #1
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Added can lights, tripping GFI


Hey, I just added some can lights to my basement. On one switch there were two plain light fixtures that I traded out with two can lights--works fine. On the other side there was one light fixture that I traded out with 5 can lights--doesn't work fine. The first 3 can lights in the 'run' work, but the last two don't. The entire basement is on one 15 amp circuit and when I have all the can lights plugged in and turned on the GFI trips. So I unplugged the 5th light in the run and it still tripped, then I unplugged the 4th light in the run and now it works.

So two of my five on one switch trip the GFI. I don't have light bulbs in each of the can lights--could that be the problem?

Also, is there a certain length of run from switch to lights that I need to stay within? Between the 5 lights I am running about 42-45 feet. Can I change the wiring so that the first, second and third lights are attached and the first fourth and fifth are attached? Would that help?

I figured I would come on here and find out before wasting my time/money adding and removing wires...

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Old 05-18-2008, 07:10 AM   #2
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Added can lights, tripping GFI


What do you mean by "plugged in?" GFCIs trip because you have a ground fault. Most likely, your neutral (white) is mistakenly touching earth ground.

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Old 05-18-2008, 08:26 AM   #3
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Added can lights, tripping GFI


Quote:
Originally Posted by LawnGuyLandSparky View Post
What do you mean by "plugged in?" GFCIs trip because you have a ground fault. Most likely, your neutral (white) is mistakenly touching earth ground.
So all that is happening is maybe one of the white wires is touching a ground wire inside the little box on the can light?

Plugged in as in hooked up... attached... Not plugged into the GFI.
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Old 05-18-2008, 10:55 AM   #4
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Added can lights, tripping GFI


Yep, it was the neutral wire touching the ground in the 4th can light.

Thanks for the help.
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