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Old 07-14-2012, 09:22 AM   #1
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Can lights and wire support.


I am wondering what the nec 2011 code for can lights , connectors and stapling the wire near the can light.

So my can lights are in place, wired, with strain releif connectors on all wires in and out of the can lights. sll the wiring except the switch wire goes through the joists.

my question: I am looking at it now and wondering if i need to re wire all 16 can lighs and make the wires longer so i can put a small loop of wire near each can light that i can stape to the joist. Is this required by the current 2011 NEC?

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Old 07-14-2012, 09:39 AM   #2
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Can lights and wire support.


Yes, you need to staple within 12" of the box on the light, measured along the cable.

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Old 07-14-2012, 09:42 AM   #3
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Can lights and wire support.


You need to staple romex 12" from each box (or can light) and 4' 6" there after.

So if your piece of wire is 11' long, you will need 3 staples.

If the wire runs perpendicular thru bored holes, that is considered secured and supported.
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Old 07-14-2012, 09:43 AM   #4
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Can lights and wire support.


I am REALLY curious about these strain relief connectors. Could you post a picture?
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Old 07-14-2012, 09:44 AM   #5
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Can lights and wire support.


Quote:
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I am REALLY curious about these strain relief connectors. Could you post a picture?
I think it's a DIY term for romex connector.
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Old 07-14-2012, 09:58 AM   #6
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Can lights and wire support.


never heard them called anything else i think they are what you call romex connectors.
http://www.grainger.com/Grainger/cab...3As&sst=subset

wait perpendicular to the bored holes is considered support?

so if my bored hole is within 8 inches of the can light i don't need a staple?

maybe i should just spring for the 130$ for copy of the 2011 NEC so i can just read it. I hate not being able to see a standard i am supposed to meet.
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Old 07-14-2012, 10:07 AM   #7
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Can lights and wire support.


You still need a staple near the can.
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Old 07-14-2012, 10:30 AM   #8
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Can lights and wire support.


Quote:
Originally Posted by Speedy Petey View Post
Yes, you need to staple within 12" of the box on the light, measured along the cable.
I don't see where I have to measure along the length of the cable, I just need a support within 12" of the box, measured any direction I want.
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Old 07-14-2012, 10:40 AM   #9
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Can lights and wire support.


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I don't see where I have to measure along the length of the cable, I just need a support within 12" of the box, measured any direction I want.
You're right.
314.17 Exception specifically states that the measurement is to be "measured along the sheath". I always though 334.30 had the same wording.
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Old 07-14-2012, 10:46 AM   #10
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Can lights and wire support.


Now, check out 334.30 (a) Pretty clear to me that if the hole in the joist is within 12" of the junction box on the recess can, then he has met the critera of securing and supporting. Thus, no staple is required.

Last edited by stickboy1375; 07-14-2012 at 10:50 AM.
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Old 07-14-2012, 10:57 AM   #11
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Can lights and wire support.


think i odn't understand. I understand the supporting wire every 4 feet when running parrallel to a joist, makes sense. i think i dont understand what suffices for support for a can light. my wire is perpendicular to the joists, almost all the wire is. i think i still need a stape even with the connectors and support so close to the can lights. i will try to add a picture shortly hopefully this makes my eplanation a little clearer.
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Last edited by bf514921; 07-14-2012 at 11:33 AM. Reason: add picture
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Old 07-14-2012, 10:59 AM   #12
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Can lights and wire support.


Quote:
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think i odn't understand. I understand the supporting wire every 4 feet when running parrallel to a joist, makes sense. i think i dont understand what suffices for support for a can light. my wire is perpendicular to the joists, almost all the wire is. i think i still need a stape even with the connectors and support so close to the can lights. i will try to add a picture shortly hopefully this makes my eplanation a little clearer.
I'm betting you don't. but put one in if you so desire.
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Old 07-14-2012, 11:34 AM   #13
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Can lights and wire support.


i dont really want to, i just want to meet whatever is required in the code.
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Old 07-14-2012, 11:57 AM   #14
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Can lights and wire support.


Your picture looks fine. IMO, you met the requirements of 334.30 (A)

Last edited by stickboy1375; 07-14-2012 at 12:00 PM.
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Old 07-15-2012, 11:06 AM   #15
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Can lights and wire support.


do i need to have an extra l loop of wire near the can light?

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