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Old 06-12-2009, 01:37 PM   #16
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Demo of old wiring in walls


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Originally Posted by 220/221 View Post
I believe that somewhere it says that abandoned must be removed "if possible" or something.
Code reference please.

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Old 06-12-2009, 02:49 PM   #17
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Demo of old wiring in walls


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By Mike Holt for EC&M Magazine

Q1. I have heard that unused wires must be removed unless they are tagged for future use. My plant has lots of unused conduit runs with the old feed wires taped up in the panel. Is there some where in the code where it says these runs should be removed? It is starting to look like a spider web in some spots.

A1. The NEC does not require unused power and lighting conductors be removed, except for cellular and underfloor raceways [372.13, 374.7, and 390.7].

However, the accessible portions of abandoned low-voltage and limited-energy cables shall be removed. According to Chapters 7 and 8, abandoned cables are those that do not terminate at equipment and are not identified for future use.
That was dated 2004, so it was based upon the 2002 NEC.

I've seen 800.52 referenced in regards to removing abandoned comm. cables, but that article was dropped in 2008 (or so it appears to me. 2008 code skips from 800.50 straight to 800.53.

220/221, maybe you were thinking of comm. cables?

Though I could have sworn someone on this forum mentioned that abandoned line-voltage electrical cables would have to be removed. Don't remember if code was cited, though.

PS - The removal of comm. cables is to reduce flammable materials and noxious gases released from the cables during combustion. It has nothing to do with electrical safety.

Last edited by ScottR; 06-12-2009 at 02:52 PM.
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Old 06-12-2009, 03:18 PM   #18
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Demo of old wiring in walls


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Originally Posted by joed View Post
Code reference please.

Read my "I believe" disclaimer

That means "I thought I read it somewhere but I don't even rememner what I had for breakfast this morning so.......what was the question?"".


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Having live wires flop around in your walls (not ending in a box) doesn't sound good to me
Like I said, there are live wires "flopping around" all throughout your house. As long as the termination point is insulated as good as the length of the cable, it's safe.


Last edited by 220/221; 06-12-2009 at 03:22 PM.
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