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Old 08-25-2013, 10:21 PM   #1
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zip tying at a staple


With regards to fastening a wire within 8" of a non-clamped box:

Is it compliant to zip tie to a wire that is already stapled? Just a single tie, at the staple, and not bundling or anything like that. Wasn't sure if a staple is required, or if that's fine.

While I'm at it, for a wire that runs across an attic and into a ceiling light to a room below, is that wire required to be stapled within 8" as well, or is it different for an accessible area, such as an unfinished attic?

Thanks.

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Old 08-26-2013, 07:45 AM   #2
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zip tying at a staple


Not sure about zip ties but anywhere you have access to the wiring, such as unfinished attic, wires must be stapled. When I built and wired my house, there was a wire I forgot to staple to the ceiling joists in the unfinished attic and the inspector raised hell about that. But he passed me after I fixed that.


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Old 08-26-2013, 08:52 AM   #3
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zip tying at a staple


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Originally Posted by romex1220 View Post
Not sure about zip ties but anywhere you have access to the wiring, such as unfinished attic, wires must be stapled. When I built and wired my house, there was a wire I forgot to staple to the ceiling joists in the unfinished attic and the inspector raised hell about that. But he passed me after I fixed that.
Just stapled 8" within the box, correct? Or does it have to be stapled every 4 and a half feet, even though the ceiling joists are supporting the wire.
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Old 08-26-2013, 09:03 AM   #4
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zip tying at a staple


That will depend on your local codes. But most of them want around 6-12" from box to take the stress off of the wires in the box and around every 4 feet stapled. It needs stapled because its accessible to being pulled on or tugged but check with your local codes because they might not require this but most do

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Old 08-26-2013, 09:51 AM   #5
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zip tying at a staple


I just did more research. It appears that my attic entry would be considered a scuttle hole since there's no permanent stairs or ladder, so they just simply require guard strips within 6'.

What exactly is a guard strip? I've got so much insulation up there and it's going to be a huge PITA.

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Old 08-26-2013, 10:04 AM   #6
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zip tying at a staple


Guards strips aka running boards.
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Old 08-26-2013, 10:10 AM   #7
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zip tying at a staple


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Guards strips aka running boards.
I've never heard of such a thing. Are these boards that just run parallel to the joists or something? If so, what do they do? Are the wires supposed to be stapled to those or something? If so, which side of the board? Talk to me like I'm a 4-year old when it comes to that please
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Old 08-26-2013, 10:38 AM   #8
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zip tying at a staple


If you're running wire parallel to the joists, you can just staple the wire to the joist.

Running boards are when you run wire perpendicular to the joists (wire lays on top) and the running board goes beside it to keep it from being stepped on or something being placed on top of.

I just try to keep the wiring out of the area where you can walk or store stuff. Close to the eave where the roof/wall meet.

Last edited by wirenut1110; 08-26-2013 at 10:43 AM. Reason: can't to can
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Old 08-26-2013, 01:14 PM   #9
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zip tying at a staple


Quote:
Originally Posted by wirenut1110 View Post
If you're running wire parallel to the joists, you can just staple the wire to the joist.

Running boards are when you run wire perpendicular to the joists (wire lays on top) and the running board goes beside it to keep it from being stepped on or something being placed on top of.

I just try to keep the wiring out of the area where you can walk or store stuff. Close to the eave where the roof/wall meet.
So in my case, I kind of fished the wire from the center of a bedroom, to an interior wall, trying to avoid all of that insulation. It runs diagonally to the floor ceiling joists. So I just simply nail a 2x4 next to the wire? Does the wire then need to be nailed to the side of the board, or can it be nailed on the top of it?

Thanks.
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Old 08-26-2013, 01:48 PM   #10
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zip tying at a staple


Quote:
Originally Posted by Tonglebeak View Post
just simply nail a 2x4 next to the wire
This is really left to interpretation.

What I quoted works for me but, it seems, some people want it on both sides of the wire, like a channel.

Also, you only need to do the portion that's within 6' of the scuttle hole.

You wouldn't want to staple the wire on top, that would just be defeating purpose. No different than it being on top of the joists.
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Old 08-26-2013, 02:17 PM   #11
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zip tying at a staple


Quote:
Originally Posted by romex1220 View Post
That will depend on your local codes. But most of them want around 6-12" from box to take the stress off of the wires in the box and around every 4 feet stapled. It needs stapled because its accessible to being pulled on or tugged but check with your local codes because they might not require this but most do
I've never heard of a local amendment to the NEC with different securing requirements, but I guess it's possible.

Code is 12" from a box, or 8" from a single-gang non-metallic box with no clamps or grips for the cable. Then every 4-1/2' thereafter.
Through bored holes is considered supported. Laying on top of framing is not.
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Answers based on the 2008 & 2011 NEC.
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Old 08-27-2013, 05:17 AM   #12
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zip tying at a staple


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Just stapled 8" within the box, correct? Or does it have to be stapled every 4 and a half feet, even though the ceiling joists are supporting the wire.
8" if the box does not have a clamp ..ie single outlet blue box ... or 12" if it has a clamp inside the box for your first staple/or attachment
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Old 08-27-2013, 06:58 AM   #13
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zip tying at a staple


Quote:
Originally Posted by romex1220 View Post
When I built and wired my house, there was a wire I forgot to staple to the ceiling joists in the unfinished attic and the inspector raised hell about that. But he passed me after I fixed that.
Wow, Atilla the Inspector. I passed my final electrical with a couple of receptacle cover plates missing. He just didn't notice.
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Old 08-27-2013, 04:26 PM   #14
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zip tying at a staple


As to the original question, this is what I was talking about:

http://img819.imageshack.us/img819/1610/w7u7.jpg
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Old 08-27-2013, 05:16 PM   #15
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zip tying at a staple


No, you're using a cable to support a cable. 300.11(c)

If the cable tie went around the staple it would be acceptable

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