section 250.119

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TheEquineFencer

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I'm a newbie, so please bear with me. I have a question about remarking grounding conductors, not the neutral. It seems like in the 2008 manual, which I no longer have a copy of, it clearly stated you could NOT remark grounding conductors 4 gauge or smaller. Meaning you could not remark any wire, Black, white ect as a green with tape as a ground. If I read section 250.119 correctly it says you can 6 ga and above. I've been in a "Discussion" with a local electritian about this and he says you can. There's a job I looked at the electritian on the job has remarked #12 Black conductors with Green tape as a ground. Is this legal to code? If someone knows in a previous 2008 NEC book where it says you CANNOT, please let me know.
 
You are right, the #12 can not be re-identified for use as an EGC and article section 250.119 is the correct section and re-identifying is only allowed for conductors larger than #6.

Is it a safety issue, no.

Roger
 
TheEquineFencer said:
... I've been in a "Discussion" with a local electritian about this and he says you can. There's a job I looked at the electritian on the job has remarked #12 Black conductors with Green tape as a ground. Is this legal to code? If someone knows in a previous 2008 NEC book where it says you CANNOT, please let me know.
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250.119 says individually covered or insulated EGC's shall have a continuous outer finish that is green or green with one or more continuous yellow stripes, except as permitted in this section... which paraphrased only permit conductors larger than #6 or in cable or cord to be re-identified.

Re-identifying a #12 black single conductor as an EGC is a violation.
 
I feel better knowing I am right. I'm not going to beat the guy over the head about it. I'm going to see what the AHJ does Friday and see if it passes. I just wished I had the old code book, I swear I think it said plainly in there you could not do it.
 
What is the type of installation? There is some relief from the requirement in 250.119(B) for qualified persons maintaining the installation.
 
Didn't look it up? :D

250.119(B) Multiconductor Cable. Where the conditions of main-
tenance and supervision ensure that only qualified persons ser-
vice the installation, one or more insulated conductors in a
multiconductor cable, at the time of installation, shall be per-
mitted to be permanently identified as equipment grounding
conductors at each end and at every point where the conduc-
tors are accessible by one of the following means:
(1) Stripping the insulation from the entire exposed length
(2) Coloring the exposed insulation green
(3) Marking the exposed insulation with green tape or
green adhesive labels
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