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Old 05-21-2008, 01:19 AM   #31
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You need to get an electrician's multi-meter and a long piece of wire and do a continuity test. Touch one probe end to the bonding grid wire, and then touch the other end to every single part of that pool


you talking about an ohm-meter?

tnx,

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Old 05-21-2008, 08:47 AM   #32
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http://www.ronkelectrical.com

analog use this link and check out the Ronk Stray Voltage blocker
. .it may be useful for your problem...should the POCO/electrician not discover not have a solution

let us know what it turns out to be
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Old 05-21-2008, 09:43 AM   #33
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Your voltage reading surprised me, I thought it would be higher, like around 10 volts, didn't even think a person could feel 1 volt.
Goes to show what I know!

You got me stumped, are you sure all the conductors were disconnected from the x-former when you tested it while the POCO guys were there, including the neutral and the primary neutral to ground connection running down the pole to the ground rod?
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Old 05-21-2008, 01:16 PM   #34
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we'll the power company called there talking with a senior eng. and will get back to me. the replaced transformer did help. It cut the readings in half now i read .15 dcv and .50 acv. It does still shock but its not a "zappy" as it was. So I'm gonna get a 30 yr veteren electrician down here to give me his perspective on the whole situation. Ill update later when either i get the guy here or the power company guy calls.
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Old 05-21-2008, 03:30 PM   #35
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ok on to something now!!! I took your advice and found the ground coming down the pole. It was coated so i took the volt meter which had sharp points on it and stuck it into the ground wire, the other i stuck in the ground (dirt). Now here is where it gets very very interesting the readings came back the same as i am getting in the pool. .15-.25 dcv .6to1.0 acv... now this pole is 80-100' from the pool so I'm thinking that current can travel that far. Anyhow i called back power company guy and told him what i had found. he said the senior eng will be out tomorrow or the next day but he would def. pass this info on. any thoughts guys?

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Old 05-21-2008, 06:07 PM   #36
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ok on to something now!!! I took your advice and found the ground coming down the pole. It was coated so i took the volt meter which had sharp points on it and stuck it into the ground wire. Now here is where it gets very very interesting the readings came back the same as i am getting in the pool. .15-.25 dcv .6to1.0 acv... now this pole is 80-100' from the pool so I'm thinking that current can travel that far. Anyhow i called back power company guy and told him what i had found. he said the senior eng will be out tomorrow or the next day but he would def. pass this info on. any thoughts guys?

so you stick it in the ground lead with one probe. Where did you stick the other probe?
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Old 05-21-2008, 06:34 PM   #37
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This is starting to sound like stray voltage. Check out this web site:

http://www.strayvoltage.org/

Some farms have had a heck of a time with this and there have been multi million dollar lawsuits over it.

Some of the steps to try and eliminate it have been amazing to see. And most have not worked out.
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Old 05-21-2008, 07:41 PM   #38
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well,the "stray voltage" stuff DOES make sense in a way, a conductor carrying current does have a magnetic field around it,the more current,the greater the field. do those "high tension" lines that are suspended from towers carry ac or dc? if it's ac, the farmers have a case, I imagine the large magnetic field around one of those great big conductors that's expanding and collapsing can induce a voltage into anything metal nearby, like a really inefficient transformer. as far as ground currents,that's a whole different thing and as impossible to prove as that "agent orange" deal.

tnx,
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Old 05-21-2008, 08:45 PM   #39
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Originally Posted by analogmusicman View Post
well,the "stray voltage" stuff DOES make sense in a way, a conductor carrying current does have a magnetic field around it,the more current,the greater the field. do those "high tension" lines that are suspended from towers carry ac or dc? if it's ac, the farmers have a case, I imagine the large magnetic field around one of those great big conductors that's expanding and collapsing can induce a voltage into anything metal nearby, like a really inefficient transformer. as far as ground currents,that's a whole different thing and as impossible to prove as that "agent orange" deal.

tnx,

What you are referring to is not stray voltage, stray voltage is real, that other "EMF fields" your referring to is a bunch of bunk. The fields are real, but the effects are not real.

Stray voltage is the result of voltage drop on the neutral which is why cows don't milk or drink out of a trough, it's why there are equipotential planes built into the floors for dairy cows. It's why people get shocks off of fiberglass swimming pools

JRClen is from Wisconsin aren't you? Have you or anybody else ever dealt with this stuff on a dairy farm? There are no farms by me.
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Old 05-21-2008, 09:20 PM   #40
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Originally Posted by Silk View Post
What you are referring to is not stray voltage, stray voltage is real, that other "EMF fields" your referring to is a bunch of bunk. The fields are real, but the effects are not real.

Stray voltage is the result of voltage drop on the neutral which is why cows don't milk or drink out of a trough, it's why there are equipotential planes built into the floors for dairy cows. It's why people get shocks off of fiberglass swimming pools

JRClen is from Wisconsin aren't you? Have you or anybody else ever dealt with this stuff on a dairy farm? There are no farms by me.
sounds like somebody has his jockey shorts on too tight!
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Old 05-21-2008, 09:37 PM   #41
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sounds like somebody has his jockey shorts on too tight!

Not at all, I was just trying to explain to you that you were confusing 2 completely different issues, they have nothing to do with one another.

And the ground currents are easy to verify, the current going out must equal the current coming back on the neutral, everything else is going through the ground.

And I was asking JRClen a legitimate question, I would really like to discuss this with somebody who has actually dealt with it, I haven't, with me it's only theory.
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Old 05-21-2008, 09:50 PM   #42
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Originally Posted by Silk View Post
Not at all, I was just trying to explain to you that you were confusing 2 completely different issues, they have nothing to do with one another.

And the ground currents are easy to verify, the current going out must equal the current coming back on the neutral, everything else is going through the ground.

And I was asking JRClen a legitimate question, I would really like to discuss this with somebody who has actually dealt with it, I haven't, with me it's only theory.

I was just speculating since I know absolutely nothing about the problem only what I learned in tech school.
you're entirely right,only somebody who's actually dealt with this can comment on it.
I'd like to know more about the lady who died from stepping on a manhole cover in NYC. (electrocuted from stray voltage? now,THERE's the plot for a horror movie!)

tnx,
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Old 05-21-2008, 10:01 PM   #43
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Quote:
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JRClen is from Wisconsin aren't you? Have you or anybody else ever dealt with this stuff on a dairy farm? There are no farms by me.
I do not know if you know what a crowder gate is but imagine a large gate that pushes the cattle into the milking barn. They can push quite hard as I am sure you can guess, a cow is pretty heavy and when they don;t want to go somewhere, it takes quite a bit of urging to get the cows in the barn.

A friend of mine was working at a dairy barn.

The difference of potential was enough as the cows got closer to the barn, they would not go in. They even resisted (successfully) the crowder gate. Even multiple ground rods did not remove the problem.

What did fix it was ground rods driven at a 45 angle as the pointed from the inside to the outside of the building. That apparently allowed the gradient to be be smoother so the cows did not feel the difference of potential.

that's about all I do know about it though.


We also had a case in mid Michigan where the rancher claimed his horses were getting crooked necks (their heads would pull to one side, permanently).

The guy spent a lot of money suing the POCO and because he couldn't actually prove that the stray voltage caused the injuries, he lost in court.
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Old 05-21-2008, 10:03 PM   #44
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I was just speculating since I know absolutely nothing about the problem only what I learned in tech school.
you're entirely right,only somebody who's actually dealt with this can comment on it.
I'd like to know more about the lady who died from stepping on a manhole cover in NYC. (electrocuted from stray voltage? now,THERE's the plot for a horror movie!)

tnx,
the more interesting one is the dog that howled when the phone rang, or actually before the phone rang.
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Old 05-21-2008, 10:16 PM   #45
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the more interesting one is the dog that howled when the phone rang, or actually before the phone rang.

did he actually...ah forget it!

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