On May 13, 10:00 am, "Rich" wrote:
Are you sure? cold water pipe and a driven ground rod.
Is required under section 250 of the NEC National Electrical Code.
your four wire cable going to your heat pump has a ground in it for the job.

"Kadaitcha Man" wrote in message

...

timO' Thou odd worm. Thou wilful boy. Ye
trivialised:

I am getting ready to pull an 220V/80A branch circuit to my new inside
heat pump. I am upgrading my 100A service to 200A locating the new
meter right next to the old one; and putting a new 200A load center,
then two branches; one to the existing 100A breaker box and another
branch circuit off the new 200A load center to the heat pump.

THE QUESTION IS:
I was advised to run a solid copper ground to my hot water heater, but
my water heater connects to everything with plastic pipe. I don't see
the point of running the wire to it.

Dumb****.

Water in metal containment vessel + electricity = death.

I will be grounding the new meter; new load center, and existing load
centers to two existing ground electrodes right near the existing
meter. Since I already bought the 50' of #4 solid for the water heater
ground; I'll use that wire for this purpose
comments?

Yeah... what ****ing country are you in, you slack-jawed moron? And what
do
your local standards say you must do, you ****ing great galah?

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Raptus regaliter.

Well S'Cuse meee girls
Why do I have to sift through all this filth to get one lgitimate
reply?

i guess I omitted that the water heater is existing, and electric.
it has its own fused disconnect adjacent to it, and the branch circuit
wired to it had a ground to the load center.
The well pump is similarly wired with a cutoff and a ground.
I think my friend (a master electrician) who advised me to run a
ground to the water heater was thinking I could get a clamp onto a
cold water pipe going into the water heater, but there is no metal
pipe in my system except small spans between the well tank and the
filter, then a piece for the cutoff valve. Nothing going to ground;
and as I am trying to say; it is not city water; it an underground
pump which connects to the house with non-metallic 'hose'.
It's a small old house in a rural area in the South.
I bet it had cast iron pipes originally, and they had to replace it as
it constricted.
And they used the cheapest materials they could.