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Old 02-08-2009, 12:08 PM   #1
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Through the joist into the canister, staple?


I am running my cable from the joist into the circled knock out on this canister light. I know I am supposed to staple within 12 inches of the knock out. How should I do it here? If I staple it I am going to have to almost bend it at a 90 degree angle, then staple, then bend again. It would be a lot smoother just curving it right into the knock out. I have a few lights with this scenario. Should I run the cable in through a different route? I could, but it would waste a lot more cable, but I guess it would solve the problem.

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Old 02-08-2009, 12:18 PM   #2
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Through the joist into the canister, staple?


It may sound a bit cheesy but what prevents you from placing the staple IN the hole?

If you don;t like that, attach a piece of 2x4 onto the joist so the cable will run across it as it exits the hole and place your staple there.

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Old 02-08-2009, 12:22 PM   #3
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Through the joist into the canister, staple?


Take a wire tie and tie it to that cross member.
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Old 02-08-2009, 12:45 PM   #4
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Through the joist into the canister, staple?


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Take a wire tie and tie it to that cross member.
Good suggestion, NEC 300.11 says you cannot wire tie to a wireway e.g. a conduit, but there is NO prohibition against using a wire tie to mechanicals.
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Old 02-08-2009, 01:03 PM   #5
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Through the joist into the canister, staple?


You guys get away with using wire ties (zip ties) on NM? Boy, the inspectors are sure different here. I don;t do resi for a living so I don;t concern myself too much with resi specific code but I know of inspectors that would not allow such.
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Old 02-08-2009, 01:04 PM   #6
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Through the joist into the canister, staple?


Just staple it to the joist.

The little extra loop of wire is coverd by drywall...right?


And....the jbox on the can has built in connecters so you don't have to use the KO and a connector. Pry out the little ko's, strip and push in your cable(s).
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Old 02-08-2009, 01:12 PM   #7
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Through the joist into the canister, staple?


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You guys get away with using wire ties (zip ties) on NM? Boy, the inspectors are sure different here. I don;t do resi for a living so I don;t concern myself too much with resi specific code but I know of inspectors that would not allow such.
MC cable too
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Old 02-08-2009, 01:15 PM   #8
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Through the joist into the canister, staple?


I have to to look it up but I think you're alright without using a staple because the bored hole is within 12" of the box for the recessed light.
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Old 02-08-2009, 01:34 PM   #9
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Through the joist into the canister, staple?


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I have to to look it up but I think you're alright without using a staple because the bored hole is within 12" of the box for the recessed light.
but doesn't the NM have to be attached within 12 inches?

wirenut: we get to use zippies on MC and AC. It seems the inspectors for resi have a problem with NM though. Maybe it has to do with guys yanking them real tight. Not sure though.
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Old 02-08-2009, 02:25 PM   #10
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Through the joist into the canister, staple?


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You guys get away with using wire ties (zip ties) on NM? Boy, the inspectors are sure different here. I don;t do resi for a living so I don;t concern myself too much with resi specific code but I know of inspectors that would not allow such.

Why on earth would it not be allowed?
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Old 02-08-2009, 02:26 PM   #11
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Through the joist into the canister, staple?


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I don;t do resi for a living so I don;t concern myself too much with resi specific code but I know of inspectors that would not allow such.

There is no such thing as a Resi code.
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Old 02-08-2009, 09:34 PM   #12
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Through the joist into the canister, staple?


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There is no such thing as a Resi code.
I said resi specific code and there most certainly is.

recep placement (12 foot rule); kitchen requirements; either overhead switched light outlet or switched wall outlet; etc.

those are all resi specific codes and I do not deal with them since I do not do residential work.

and why a zip tie may not be allowed is an installer could have a tendency to tighten the thing down and cut into the insulation just as when nailing down a staple too tight. That is one reason one of the counties in my area requires plastic w/nail cable fasteners rather than staples. It is harder to make them "too tight".

I can yank a zip tie pretty tight, especially when using a tightening tool. I could damage the NM by doing so. Of course, if doing things properly, it is not a concern but there are many situations where code specifies the obvious.





those are all resi specific codes.
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Old 02-08-2009, 10:06 PM   #13
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Through the joist into the canister, staple?


Sorry to jump off topic but when I moved into my house there was a wire zip tied to a sheet metal duct support, tight against the sharp side. I don't know whether or not zip ties are approved here but some people just have no common sense no matter what they use.

I would bend out of the hole and stable to the joist, then loop to the fixture with a grommet. Is that the only wire going through that big hole?

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