[RE-wrenches] Water Pipes as Grounding Electrodes

[Drake Chamberlin]

The water pipe should already be grounded to the grounding electrode 
system.  If you connect to that system anywhere, you should be bonded 
to metallic water pipes, in a properly constructed electrical system.

At 12:21 AM 1/7/2010, you wrote:

>My understanding is that if the water pipe is ferrous metal for a 
>certain length into the soil - I think 10 or 15 ft. - then it is an 
>NEC compliant grounding electrode.
>
>Not the easiest thing to confirm on a retrofit.  If we can't find an 
>existing ground-rod we drive one ourselves.
>
>
>Andrew Truitt
>Standard Solar Inc.
>
>
>

Drake Chamberlin
Athens Electric
OH License 44810
CO License 3773
NABCEP TM  Certified PV Installer
Office - 740-448-7328
Mobile - 740-856-9648  
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