So are you saying that the concrete base with the tower legs embedded in it
is already a good ground for the tower itself? (Not asking about the leads,
----- Original Message -----
From: "Jim Lux" <firstname.lastname@example.org>
To: "W7CE" <email@example.com>
Sent: Thursday, September 13, 2007 6:46 PM
Subject: Re: [TowerTalk] Ufer ground using copper wire
> W7CE wrote:
>> I'm planning on an Ufer ground in my new tower base. I've seen several
>> sites recommending 20' or more of #2 or larger copper wire wrapped around
>> the outside of the rebar cage. Are there any chemical reactions that
>> using copper a bad idea? I seem to recall reading something about that a
>> while back, but now I can't find any mention of it.
> That works fine..
>> If copper is ok, I'm thinking about putting a pounding a copper ground
>> into the bottom of the foundation hole.
> ooohhh bad idea.. don't want metal penetrating the concrete below the
> soil surface, if you can avoid it. (water infiltration along the tiny
> gap between metal and concrete)
> Besides, the many square feet of concrete will have a lower resistance
> to the earth than any single ground rod will.
> Just embed the wire in the concrete and bring it out the top of the pad.
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