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czeckit

05:21AM | 05/17/05
Member Since: 03/18/04
10 lifetime posts
Bvelectrical
We are adding a bathroom and ran into a couple code issues. First, is it legal to come off the load side of the gfci breaker in a bathroom to power the vanity lights? Can they even be on the same circuit? Seems like a waste to run a separate power line for one light when the gfci and the light switch are in the same box, but my friend said he is pretty sure he had to do that. Also, is it ok to use receptacle boxes (rectangle) for the vanity lights or do I have to install the round octogon boxes? Thanks for your help!

Billhart

06:40AM | 05/17/05
Member Since: 04/25/05
1915 lifetime posts
Bathrooms require a dedicated 20 amp circuit.

There are 2 options that can be used.

1) That 20 amp circuit can service the receptacles in one or more bathrooms.

2) That 20 amp circuit can service the receptacle, lights and fan for that ONE bathroom.

So you are OK if this is the only bathroom on that circuit.

The lights can be wired off of the load side of the GFCI. But it is not required and not recommend. If the GFCI trips you are in the dark. Possilby local code does require GFCI protected vanity lights, but it is not in the national code.

Most light come with a universal mounting bracket that will fit a number of boxes. However, the octagon is the most common and I would recommned that.


Tom O

03:51PM | 05/17/05
Member Since: 09/17/02
477 lifetime posts
there is an exception in the NEC that would allow the use of the type of box you mention provided that the fixture does not weigh more than 6 lbs.

I'm with Billhart, stick to a round or octagonal box. They are even available for for "old work" installations where the drywall is already installed .

Tom
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