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Old 05-19-2010, 07:55 PM   #1
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ungrounded outlets


Anybody know of a UL/NEC approved method or material
to ground outlets by running a conductor through the floor or along the baseboard?

It would probably have to be ribbon-shaped so it wouldn't be too obvious but still have enough cross-sectional area.

There must be a market for this.
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Old 05-19-2010, 08:42 PM   #2
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I have heard of ribbon speaker wire made just for the purpose of not being obtrusive. But I don't know where to buy it. You would have to find some of the appropriate gauge.

You may run ordinary 12 or 14 gauge wire exposed along the baseboards as a ground, up and over doorways, more or less following the path of the power lines inside the wall, and down to the panel.
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Old 05-19-2010, 08:48 PM   #3
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I believe...someone will chime in...that the NEC requires that the ground be run with the ungrounded conductors, not merely nearby. There's a good electrical reason for this, but cannot remember it at the moment.

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Old 05-19-2010, 08:52 PM   #4
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Quote:
Originally Posted by Yoyizit View Post
Anybody know of a UL/NEC approved method or material
to ground outlets by running a conductor through the floor or along the baseboard?

It would probably have to be ribbon-shaped so it wouldn't be too obvious but still have enough cross-sectional area.

There must be a market for this.
When I had to do this, I used #14 TW stranded wire, with insulation the same color as the woodwork.
I ran it in the valley formed at the bottom of the baseboard. I stapled it in place using an Arrow wire stapler.
Eventually, it was painted over, when the baseboards were repainted.
It blended in quite nicely!
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Old 05-20-2010, 11:56 AM   #5
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These methods are probably safe most of the time. But are they legit?
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Old 05-20-2010, 12:50 PM   #6
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Yes they are legit!

The thing to keep in mind with a ground: They are only going to carry a current IF something goes catastrophically wrong.
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Old 05-20-2010, 02:17 PM   #7
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Originally Posted by xxPaulCPxx View Post
Yes they are legit!
Meaning they are spelled out by UL/NEC or they are not prohibited by UL/NEC or they are not mentioned at all?

I guess I'm asking for a link.
This question has come up before and I don't remember anyone agreeing on the correct answer.
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Old 05-20-2010, 02:38 PM   #8
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If the questions is whether or not a ground wire can be run to new 3-prong outlets, separate from the existing hot and neutral, the answer is yes. In the 2008 NEC, 250.134(B), exception 1; As provided in 250.130(C), the equipment grounding conductor shall be permitted to be run separately from the circuit conductors.

250.130(C) is Nongrounding Receptacle Replacement or Branch Circuit Extensions, which states: The equipment grounding conductor of a grounding-type receptacle or a branch-circuit extension shall be permitted to be connected to any of the following... and proceeds to list the places the new EGC can be attached, which includes any accessible point on the grounding electrode system or grounding electrode conductor, the equipment ground bar within the originating panel, etc.
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Old 05-20-2010, 06:17 PM   #9
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Thanks to everyone. I'm printing this one out.
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