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Old 04-28-2011, 09:23 AM   #1
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Junction box in attic


Hello:

I need to add a junction box in my attic I was wondering if that is ok and if there are any issue regarding where it should be mounted - i.e. - roof rafters or floor joists?

thanks!

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Old 04-28-2011, 09:36 AM   #2
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Junction box in attic


Yes, it is fine to add a junction box in the attic, as long as it is accessable by going into the attic. I have added junction boxes where I branched from a circuit to add ceiling fixtures. . Since the attic is not a normaly accessed or occupied space, I believe it does not matter where you mount it. I usually nail them to the side of the ceiling joist so I don't step on or kick them when I go up there.

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Old 04-28-2011, 09:38 AM   #3
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Junction box in attic


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Originally Posted by FixitDragon View Post
Yes, it is fine to add a junction box in the attic, as long as it is accessable by going into the attic. I have added junction boxes where I branched from a circuit to add ceiling fixtures. . Since the attic is not a normaly accessed or occupied space, I believe it does not matter where you mount it. I usually nail them to the side of the ceiling joist so I don't step on or kick them when I go up there.

Any problem with them and insulation being on top of them if they are on the floor joist?
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Old 04-28-2011, 10:39 AM   #4
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Junction box in attic


Not sure what you mean by floor joist in attic? Not picking at you, but so we are all on the same page, If you mean what you are standing on while in the attic, those are the ceiling joists for the house. Rafters are the boards that go at an angle to make the roof. If there are W shapes between the rafters and ceiling joists you actually have engineered trusses. Your house's floor joists are what is under the floor of your house, if you have them. A slab home like mine does not have floor joists.

Now to answer, covering with insulation is ok because you can easily move it and put it back, it is still considered accessable. Not accessable would be if you put drywall or plywood over the box without a cutout.
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Old 04-28-2011, 11:13 AM   #5
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Junction box in attic


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Originally Posted by FixitDragon View Post
Not sure what you mean by floor joist in attic? Not picking at you, but so we are all on the same page, If you mean what you are standing on while in the attic, those are the ceiling joists for the house. Rafters are the boards that go at an angle to make the roof. If there are W shapes between the rafters and ceiling joists you actually have engineered trusses. Your house's floor joists are what is under the floor of your house, if you have them. A slab home like mine does not have floor joists.

Now to answer, covering with insulation is ok because you can easily move it and put it back, it is still considered accessable. Not accessable would be if you put drywall or plywood over the box without a cutout.
that would be it. Wasn;t sure if I should call them ceiling or floor. Guess I selected the wrong one
Just wanted to make sure that junction boxes could be in contact with Insulation..

Thanks!
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