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Old 01-25-2010, 11:35 PM   #31
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J-B Weld to Mount Metal Box


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thats why ya put a coupling on the top of pipe and nice radius/curve in the romex where it goes into the top of it.im doing a basement rough in tomorrow or thursday,ill take some pics of how i do it
coupling? use an arlington bushing, It's cheaper.

you still cannot strip NM like that.

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Old 01-26-2010, 07:25 AM   #32
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how do you run plugs on a block wall in a basement when youre rocking the ceiling without sleeving the wire in the pipe?
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Old 01-26-2010, 09:53 AM   #33
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J-B Weld to Mount Metal Box


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how do you run plugs on a block wall in a basement when youre rocking the ceiling without sleeving the wire in the pipe?
there are limited allowances of NM in conduit for protection such as you are doing. I am not familiar enough to advise on the limitations without looking, and I have not had a chance to do it since I read this, but I do know that it is illegal to strip the sheathing from NM and use the wires inside as individual conductors unless they are rated to be used as such.
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Old 01-26-2010, 10:44 AM   #34
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J-B Weld to Mount Metal Box


Nec 334.15 (c)
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Old 01-26-2010, 02:31 PM   #35
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J-B Weld to Mount Metal Box


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Nec 334.15 (c)

it seems to me that one of the other pro sparks had mentioned they further refined that in the '08 code with a limitation or clarification.

I'm going to have to go hunt up the 08 to see if I can find it.
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Old 01-26-2010, 02:46 PM   #36
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This is from the NEC 2008
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Old 01-26-2010, 04:26 PM   #37
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J-B Weld to Mount Metal Box


im not talking about stripping the sheathing and feeding the wires from box to box inside of conduit,im referring to using the conduit to sleeve the 4-5' of romex on an end run to a box.its still a continuous piece of romex running to the panel or where ever its fed from to the plug/switch box.does this make sense?
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Old 01-26-2010, 04:38 PM   #38
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It is allowed as long as the outer sheath is not removed.

NEC 335.14 (C)
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Old 01-26-2010, 05:26 PM   #39
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It is allowed as long as the outer sheath is not removed.

NEC 335.14 (C)
ok, explain how OP will conform to 314.17 a and b



then 334.30

and has he even considered fill limits

Last edited by nap; 01-26-2010 at 05:32 PM.
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Old 01-26-2010, 05:49 PM   #40
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I see my apprentice son is back using my screen name to answer questions. Guess he has not learned his lesson. Give me a few to read the original post and I will answer your question.
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Old 01-26-2010, 06:24 PM   #41
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that is too funny , have him register with his own screen name.
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Old 01-26-2010, 06:28 PM   #42
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ok, explain how OP will conform to 314.17 a and b



then 334.30

and has he even considered fill limits
After talking to the wannabee he stated he was posting the NEC Article that states the sheath must be intact. He then answered another poster and meant to type 334.15. There isn't an Art 335 in the code book.
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Old 01-26-2010, 06:39 PM   #43
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J-B Weld to Mount Metal Box


I didn't bother to check. I simply accepted he was correct in his statement, at least as far as the sheath being intact goes.

is there a 334.14 in the 08? I have an 05 on my computer I usually use and three is no 334.14 in the 05.

dang, I really need to go hunt up my 08.
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Old 01-26-2010, 07:28 PM   #44
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J-B Weld to Mount Metal Box


Maybe this is a newbie question but why not use BX instead of conduit?

Also, to OP,

- I think your comment experience with JB Weld> metal screws was pretty insightful. JB Weld seems like a good option because you don't know how/are intimidated by the better solution.

- The beauty and curse of DIY is that you have to learn new skills. It's why I really love doing it. It's also why it can be cheaper and faster to pay a pro to do certain things - they already know to do things efficiently and correctly.

- So, get some metal screws and whatever other tools you're going to use and PRACTICE - before you know it you'll feel like a pro.

- You'll be alot more proud of your work if you do it right the first time rather than wishing at some time down the road that you didn't have to hammer some JB Weld off a box.
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Old 01-26-2010, 08:18 PM   #45
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...and has he even considered fill limits
I've made my mistakes regarding fill limits before. I double checked that when sizing the juntion box at the top of the conduit because it's going to have a bunch conductors going into it.

You see, the switch is a 4-way in a "handy box". That means two 14/3 Romex and 4 THHN coming together in the junction box at the ceiling.

I looked up fill limits and got a 4x4 junction box that is deep enough for the 10 conductors, and the chart I found said I'm ok with the 4 conductors in 1/2" conduit. The only thing I didn't double check before getting started was the fill limit on the "handy box", and I seem to be pushing it with 4 conductors.

...

Ok, I just did some quick research that indicates a handy box is 13 cu.in. With four conductors, a ground, and a switch, that means the box is 1 cu. in. too small.

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