Outlet grounding question
Fishing and/or cable tying the newly strung ground wire to the existing power cable is optional.
If I remember correctly you may not string the ground wire over to another grounded receptacle on a different branch circuit. But if you need to ground two receptacles on the same circuit, the wires can still more or less follow the route of the respective circuit cable back to the panel and if the ground wires come togehter, you may have a splice (in an accessible box) and only one need continue all the way to the panel.
The separately strung ground wire may terminate at the (usually #6) ground wire between panel and entering cold water pipe or between panel and ground rod instead of going all the way into the panel. This is called bonding to an element of the grounding electrode system.
Grounding equipment by the chassis (as opposed to via the plug or the receptacle), you may string the ground wire over to a different receptacle, or to a water pipe, or whatever you prove is grounded.
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Last edited by AllanJ; 11-28-2010 at 01:09 PM.