Tapping Into Grounded Wire


Old 10-13-06, 01:56 PM
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Tapping Into Grounded Wire

I have a new 20 amp bathroom circuit that is grounded with bare ground wire that passes by an existing circuit without bare ground wire. This other existing circuit has (from previous owner) three prong recepticals that are not actually grounded with bare ground wire. Even though they are not on the same circuit, would it be safe to tap into the new circuits bare ground wire with another piece of bare ground wire to make one of these existing non-grounded recepticals a grounded receptical?
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Old 10-13-06, 02:22 PM
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How does a new circuit for your bathroom have a bare gound wire that runs right by a different circuit? What is this new circuit run with? How do you plan to tap this cable?
Old 10-13-06, 05:37 PM
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No, you cannot tap the grounding conudctor from the new circuit to provide a ground for the nearby circuit.

If you were to add a grounding wire for the non-grounded circuit it would need to come from the panel that the circuit originates in. Doing this is as much trouble as running new wiring with a grounding method built-in.

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