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Re: [TowerTalk] ground rods and wells

To: "jimlux" <jimlux@earthlink.net>, <Cqtestk4xs@aol.com>
Subject: Re: [TowerTalk] ground rods and wells
From: "Mark Robinson" <markrob@mindspring.com>
Date: Tue, 4 Jan 2011 10:48:52 -0500
List-post: <towertalk@contesting.com">mailto:towertalk@contesting.com>
----- Original Message ----- 
From: "jimlux" <jimlux@earthlink.net>
To: <Cqtestk4xs@aol.com>
Cc: <TOWERTALK@contesting.com>
Sent: Tuesday, 04 January, 2011 10:10 AM
Subject: Re: [TowerTalk] ground rods and wells


> Cqtestk4xs@aol.com wrote:
>>
>> In a message dated 1/4/2011 7:24:43 AM Greenwich Standard Time,
>> K8RI-on-TowerTalk@tm.net writes:
>>
>> I say  the well casing is a bad idea as many wells have submersible pumps
>> which  are easily damaged by lightning strikes the local electricians
>> tell me and  it does sound plausible.
>>
>
>  Those submersible pumps  are
>> expensive to replace and a 165 foot  4 inch casing makes a great path 
>> for
>> lightning.
>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
>
> I wonder what the actual fault path was?  Assume for a minute that the
> pump wiring were bonded to the top of the casing.  If lightning hits,
> everything should rise and fall together? or maybe not.. differential
> current flows in the power wires and the casing, so there's a potential
> difference?
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>

I know that my pump wiring isn't bonded to the well casing. Should it be?


Also when I was running my tower grounding system I decided not to attach 
the the well casing to the system. I am a little concerned as one of the 
ground wire runs, passes within 10 feet of the well head.

Mark N1UK

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