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Old 12-23-2010, 12:55 PM   #1
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Moving electrical dryer - Ground gives off 'hot' signal


The dryer is a 3 prongs one and has a dedicated feed from the breaker: An old 10/3- without ground, carrying 220v.
I used a newer 10/3 (with ground wire in it) to extend the outlet.

I needed to move my dryer in the basement by some 10 feet. So I put up a junction box at the place where the old outlet was, and moved the outlet further where the dryer's new place would be.
The jumping was easy: red to red, black to black, neutral to neutral, and I attached the ground fro the connecting 10/3 to the metal of the junction box that I installed.
On the other end, I tucked the ground in a back corner of the outlet, away from the other connections.

>> Now, when I check y doings with a non-contact probe*, the ground gives off a positive. But when checking with a line voltage tester (those with 2 needles) it looks fine.
I'm wondering what the problem is. I double checked everything, but the problem seems to still be there.


*"Circuit Alert Non-Contact Voltage Probe Tester Plug Jack Inductive Voltage Line Current Tester with Light Display " (that's the red one, that looks like a marker and it beeps when there's a current nearby)

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Old 12-23-2010, 12:58 PM   #2
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Moving electrical dryer - Ground gives off 'hot' signal


You can't extend a non-compliant circuit
You need to run 10-3 w/ground to the new location

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Old 12-23-2010, 01:06 PM   #3
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Moving electrical dryer - Ground gives off 'hot' signal


What dave said!
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Old 12-23-2010, 01:24 PM   #4
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Moving electrical dryer - Ground gives off 'hot' signal


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Originally Posted by Scuba_Dave View Post
You can't extend a non-compliant circuit
You need to run 10-3 w/ground to the new location
I know, They sell extension cords for the dryers, but those are only 5-6 feet long, and for longer jobs it is recommended to extend the line. I needed to move the dryer only 9 feet away.
I'm in a rented apt. (got a unit with a basement space) And might be moving within two years from now. So it's only a temporary job. I'm planning to return the outlet to where it was before leaving the place.

The panel is more than 30 feet away, and frankly I'd rather not touch it, since it's a mess there's too much work and things involved and (again,) it is not my property.

ALSO when I asked the maintenance person about help to rerun/move the outlet, he told me to just do it myself (he knows I'm the DIY type).
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Old 12-23-2010, 01:28 PM   #5
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Moving electrical dryer - Ground gives off 'hot' signal


It doesn't matter, you can't do what you want to do
If you are moving them leave the dryer outlet where it is
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Old 12-23-2010, 01:56 PM   #6
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Moving electrical dryer - Ground gives off 'hot' signal


Working on the wiring in a rental property with the verbal go ahead of the maintenance man could leave you liable if something goes wrong.Especially if it's non-compliant.
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Old 12-23-2010, 01:57 PM   #7
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Moving electrical dryer - Ground gives off 'hot' signal


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Originally Posted by daveb1 View Post
Working on the wiring in a rental property with the verbal go ahead of the maintenance man could leave you liable if something goes wrong.Especially if it's non-compliant.
Agree with this 100%
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Old 12-23-2010, 02:07 PM   #8
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Moving electrical dryer - Ground gives off 'hot' signal


Quote:
Originally Posted by daveb1 View Post
Working on the wiring in a rental property with the verbal go ahead of the maintenance man could leave you liable if something goes wrong.Especially if it's non-compliant.
You know what? It makes sense!
I'll go double check with the management (without getting the maintenance man in trouble). And as Dave suggested, will uninstall the extension for the time being...

But anyway, for my information, why does the ground wire signals like a hot?
Someone mentioned to me something about "feedback" What is it? is it the problem here? What to do about it?
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Old 12-23-2010, 02:22 PM   #9
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Moving electrical dryer - Ground gives off 'hot' signal


Non-Contact Inductive testers are just that. They measure the Electro-Magnetic field given off, when Electrons are flowing through a wire. If you were to shut off that current flow, the tester does not pick up said Electro-Magnetic field.

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