Gray Shockley wrote:

On Sun, 28 Sep 2003 0:02:29 -0500, starman wrote
(in message ):

Tim Shoppa wrote:

The RX-320 arrived Thursday, I hooked it up to the PC and got nothing
but hash all over the bands. Then I looked at the ground my AC house
wiring is hooked to (it's about a 40 foot run of wire from the AC
entrance panel to the cold water pipe! Maybe it was technically compliant
with the NEC when the house was built but it wasn't worth crap...) and
decided I had to be able to do better. So I went to Home Depot,
invested about $10 in some 1/2" copper pipe, and drove several 5-foot
lengths near a handy window.

Using this ground makes a world of difference. All the nasty noise
went away. I learned my lesson!

Tim.

Nice work. However it's not a good idea to have more than one ground
point for your domestic wiring. I suggest disconnecting the old copper
pipe ground wire near the circuit panel. You can leave the long wire in
place.

Uh, well, uh, but - you do realize that you're suggesting ungrounding the
entire house, don't you?

By code - if he did that - he should replace every 3-conductor outlet with
two-conductor outlets because the ground (green) has been removed from the
system (illegal as it can be, of course).

He did exactly as he should have.

He maintained the electrical ground ("earth") and he created an "antenna"
ground (chassis).

Gray Shockley

I said he shouldn't have more than one ground point for his domestic
wiring. I was under the impression that he made a shorter grounding
system to the main panel from some new ground rods outside a near by
window. If the circuit breaker panel is grounded with his new rods, he
doesn't need to keep the old 40-ft ground wire to the copper pipe.


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