In article . com, "Brad" wrote:
Both pipes should be at the same electric potential (ground) since
they are both are buried.
The grounding is done to help ensure the electrical panel has a true
ground.

Wrong, wrong, wrong, wrong.

The water piping is bonded to the electrical ground in order to insure that
the _water_piping_ has a true electrical ground -- IOW, to prevent the water
piping from becoming live in the event of an electrical fault somewhere.

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Regards,
Doug Miller (alphageek at milmac dot com)

It's time to throw all their damned tea in the harbor again.