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Can an octagon fixture box that was also found to be a junction box, be closed and covered over in the ceiling after remodeling. Box not needed.

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    There's a huge difference between covering it (with a plate), and covering OVER it (with anything that makes it inaccessible). – Mazura Jul 18 at 22:05
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Absolutely not. Any box containing splices or live wires, even if it's not being used, must remain accessible.

  • If live wires are running through the box without a spice, would that still require access? – Hank Oct 31 '14 at 16:54
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    I've never seen a box with cables running through it without a splice... If so, you could carefully cut the box from around the cables, attach the cable to a joist and cover the hole, but this seems highly unlikely. – gbronner Oct 31 '14 at 17:16
  • @gbronner, I was not referring to a cable passing thru unspliced. I meant a single cable that was live. – Speedy Petey Oct 31 '14 at 21:17
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    @Henry Jackson, ANY box containing live wires must remain accessible. – Speedy Petey Oct 31 '14 at 21:18
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As long as there are no cables in it, you can rip it out or cover it. If there are cables in it, you can't.

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You state that the "box is not needed"; I presume you mean not needed for the fixture but that the wire connections originally present still remain. If that is the case then you cannot bury it. An alternative, if there is access to the box from above via a crawlspace or attic, would be to replace or re-orient the box so that access is provided from above. Then you could cover the hole in the ceiling.

Depending on your local code, you may be able to use one of these new type splice units, and eliminate the junction box. These are available at home centers and electrical supply houses, one brand is Tyco. Ask for a in-wall romex splice kit.

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Listen to the first answer it is never permissible to cover(hide) a junction box behind anything. God Bless Big Jim

  • What exactly is meant by "hide". Covering junction boxes with drop ceilings is common and expected; could the same principle be applied elsewhere? For example, if a wall was finished with vertical wood planking, could one hinge a section of planking with a box behind it if one ensured that an electrician would be able to find and open it? – supercat Dec 16 '14 at 22:31

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