I neglected to mention that, at least in my case and in any other that
meets NEC code, the tower is also bonded to the rebar cage in the
foundation to form a Ufer ground. Any ground wires running through the
foundation are thus in parallel with the Ufer ground.
Dave AB7E
On 12/22/2011 5:57 PM, Ken wrote:
> On Dec 22, 2011, at 2:18 PM, David Gilbert wrote:
>
>> I put up an An Wireless HD-70 tower and exothermically welded some
>> ground wires to the base section before it was embedded in the concrete,
>> figuring that down there (roughly four feet below the surface of the
>> concrete)
>
> Poor choice AFAIK. My understanding is that if the tower gets takes a heavy
> hit by lightning, the wire could vaporize and crack the concrete.
>
> Ken WA8JXM
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