Re: voltage on my ground rod
- From: clutch@xxxxxxxxx
- Date: Fri, 18 Aug 2006 18:39:53 -0400
<Kingfish Stevens> wrote in message
news:5prbe2pijv1bljs6vagt8ujt1a8generfa@xxxxxxxxxx
I have a new house under construction, almost finished, but with no
outside power source attached to it. My plumber noticed a tingle when
he touched a ground wire and the concrete in the garage. Sure enough,
I measure 6/10 of a volt between the single ground wire from the house
and the ground rod. I guess it's DC since the polarity changes if I
reverse the meter leads. What's causing this?
Kingfish
I would not get too excited. The two components that matter are
voltage and current flow. I'm thinking that there is an issue with
either your service ground or the utility pole ground.
The typical service is 240 volt with the center of transformer tapped
and grounded. This makes a single conductor to ground 120v. Safety
issue. I'd rather get bit by 120v than 240v since as you double the
voltage you quadruple the power.
Years ago, I read about ELF communications and for chits and grins, I
drove two rods about 6 feet apart and connected my record player to
it. 20 feet away and 6 feet separation I hooked up the speakers. I
could hear the music from the record I was playing. Not very loud but
it was audiable. I my speakers saw .6 volt or better.
Wes S
.
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