[TowerTalk] Grounding HDX-555

[Patrick Greenlee]

While on the grounding topic... why do some sources recommend burying the 
wire clamp to copper ground rod connection a minimum of 6 inches?

Patrick AF5CK

-----Original Message----- 
From: Alan NV8A
Sent: Sunday, May 05, 2013 1:39 PM
To: TOWERTALK at contesting.com
Cc: Brad Hyde
Subject: Re: [TowerTalk] Grounding HDX-555

On 05/05/13 12:19 pm, Brad Hyde wrote:

> I am in the process of erecting an HDX-555.  I have the hole dug and most 
> of the rebar cage built.  My question is about the best method of 
> grounding.  Should I place a copper cable at the bottom of the hole and 
> then attach it to the tower?  This method would have the cable immersed in 
> the concrete which makes me wonder about that much heat going into the 
> concrete if lightning hits, even if it is just on the edge of the 
> concrete.  The other method I am thinking of would be three ground rods 
> placed around the tower and connected together and to the tower with 
> copper strap and/or very heavy copper wire.  Just looking for input from 
> the collective knowledge of this group as I am in a lightning prone area 
> in west Texas.  Thanks.

I have #4 copper connected to each leg of my HDX-555 (with
stainless-steel shims as separators to avoid corrosion), and each
running to an 8ft. copper-clad ground rod about 10ft. away.

73

Alan NV8A
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