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electrical / j-boxes / attic insulation pbs 07-02-2006
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Posted by pbs on July 2, 2006, 11:45 pm
I understand that j-boxes aren't permitted to be concealed inside of
walls.

Can j-boxes be located in attics, and covered with insulation?

Thanks


Posted by Colbyt on July 3, 2006, 9:08 am

>I understand that j-boxes aren't permitted to be concealed inside of
> walls.
>
> Can j-boxes be located in attics, and covered with insulation?
>
> Thanks
>

Doug may answer and give you a definitive answer since he knows code real
well.

Yes to attics for sure. I would say yes to under insulation. I believe the
term is accessible not visible They hide them above dropped removable
ceilings all the time but you can't put them behind drywall since it is
considered not easily removable.

That said, I would either make a map of their locations or attach little
vertical flags like the lawn care people use if it was my attic.

Colbyt



Posted by Tom The Great on July 3, 2006, 10:33 pm

>I understand that j-boxes aren't permitted to be concealed inside of
>walls.
>
>Can j-boxes be located in attics, and covered with insulation?
>
>Thanks


Checking the national codes.... 2005NEC 314.29 makes a requirement
"..accessible without remvoing any part of the building..."

Check with your local authorities. The insulation might be considered
'part of the building'.


IMHO thinking. I was taught that intentions were so that no box was
'hidden' for later trouble shootting. I would suggest that you try
and get the box mounted up towards a rafter, accessible thought the
ceiling(below) with a blank cover plate, or if you are ok with the
underinsulation have a sign pointing down and informating attic
visitors of the j-box.

Remember follow codes local, and national.

Good luck,

tom @ www.NoCostAds.com


Posted by CJT on July 3, 2006, 10:36 pm
Tom The Great wrote:
>
>
>>I understand that j-boxes aren't permitted to be concealed inside of
>>walls.
>>
>>Can j-boxes be located in attics, and covered with insulation?
>>
>>Thanks
>
>
>
> Checking the national codes.... 2005NEC 314.29 makes a requirement
> "..accessible without remvoing any part of the building..."
>
> Check with your local authorities. The insulation might be considered
> 'part of the building'.
>

What is "removing?" I assume opening a door is not "removing" part of
the building. So perhaps pushing aside some insulation isn't, either.

>
> IMHO thinking. I was taught that intentions were so that no box was
> 'hidden' for later trouble shootting. I would suggest that you try
> and get the box mounted up towards a rafter, accessible thought the
> ceiling(below) with a blank cover plate, or if you are ok with the
> underinsulation have a sign pointing down and informating attic
> visitors of the j-box.
>
> Remember follow codes local, and national.
>
> Good luck,
>
> tom @ www.NoCostAds.com
>


--
The e-mail address in our reply-to line is reversed in an attempt to
minimize spam. Our true address is of the form che...@prodigy.net.

Posted by Eric in North TX on July 3, 2006, 11:23 pm

I'm a little confused here, whats the difference between having a
junction box inside the wall and daisy-chaining outlets. If it is
secure, it is secure. Does this apply to any junction? I've buried
octagon boxes with metal covers where a previously installed outlet
needed to be bypassed. The existing wiring was good, wires were
properly secured both at the wire nuts and with proper romex clamps
entering and leaving the box, in short, much better that the previously
installed outlet.


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