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Old 05-10-2013, 05:35 PM   #16
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Wiring through light...


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Originally Posted by MTN REMODEL LLC View Post
Joe....man I'm learning alot...I'm a GC (semi-retired so not dailey up to date) but we can't black-tape the white anylonger in a switch loop.???? Is that 2011.

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Peter,

What I'm seeing, and perhaps what Joed is referring to, are two white wires on the lighting fixture (even though one is reidentified with black tape). I don't know if there's a Code article on this, but I've heard many electricians speak against it. PLUS, I don't think it is necessary to have 2 whites on the lamp.

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Old 05-10-2013, 05:37 PM   #17
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You can do either, but new codes require a neutral wire at switch locations.
IMO, it is better to run power to switch 1, 3 wire to switch 2, then 2 wire to light fixture.
It also depends on which Code cycle your locality uses. Here, we don't require a neutral at the switch (2005).
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Old 05-10-2013, 06:48 PM   #18
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Wiring through light...


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Correct. Occupancy switches used to use the ground wire for their motion sensing circuitry, but the NEC doesn't like that (they think grounds should only be there for faults). So, the NEC is now providing a neutral so that motion sensors can stop using the ground.

The real issue is the UL has no issue with using the grounding conductor to carry such a small amount of current, and had no plans on changing this, the NEC got upset and came up with requiring a grounded conductor at each switch location... go figure...
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Old 05-10-2013, 07:02 PM   #19
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The real issue is the UL has no issue with using the grounding conductor to carry such a small amount of current, and had no plans on changing this, the NEC got upset and came up with requiring a grounded conductor at each switch location... go figure...
Geez Sticker..... Pretty soon we're gonna have to have a GFI and AFI on our cell phone and flashlight.


Peter

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