>>Doug Miller wrote:

>>>In article <22cab$44d6791d$4213ea37$9...@DIALUPUSA.NET>, Bud--

>><remove.BudN...@isp.com> wrote:

>>>>Assume underground metal water service pipe (10ft...) and a ground rod.

>>>>Your original statement was:

>>>>>Metal water piping is bonded to the electrical system grounding
>>>>>electrodes to ensure that the metal water piping cannot become live,
>>>>>*not* to provide a ground for the electrical system

>>>Yep. And that's correct.

>>>The water pipe -- by itself -- is not permitted by Code to be used to ground
>>>the electrical system, and hasn't been for many years.

>>2005 NEC 250.50 "All grounding electrodes as described in 250.52(A)(1)
>>through (A)(6) shall be bonded together to to form the grounding
>>electrode system."

>>250.52(A)(1) "Metal Underground Water Pipe. A metal underground water
>>pipe indirect contact with the earth for 3.0 m (10 ft) or more...."

>>100(1) [definitions] "Grounding Electrode. A device that establishes an
>>electrical connection to the earth."

>>If you are having trouble intrepreting: All grounding electrodes
>>including Metal Underground Water Pipe shall be bonded together to to
>>form the grounding electrode system that establishes an electrical
>>connection to the earth.

>>What do you think it means?

>>Can you read?

> You're the one who has trouble reading, not me. I never said that metal water
> pipes shouldn't be part of the grounding electrode system -- I said that metal
> water pipes are not permitted to be the *only* grounding electrode, and that's
> a fact.