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Re: [TowerTalk] height of ground rod at tower base

To: <towertalk@contesting.com>
Subject: Re: [TowerTalk] height of ground rod at tower base
From: "Paul Christensen" <w9ac@arrl.net>
Date: Tue, 24 Oct 2017 10:57:35 -0400
List-post: <mailto:towertalk@contesting.com>
> "These are for grounding Rohn25.  We need something for Rohn67"

Just use a larger clamp in the same Harger product line:

http://lists.contesting.com/pipermail/towertalk/2017-October/158208.html

Paul, W9AC




-----Original Message-----
From: TowerTalk [mailto:towertalk-bounces@contesting.com] On Behalf Of jimlux
Sent: Monday, October 23, 2017 11:16 PM
To: towertalk@contesting.com
Subject: Re: [TowerTalk] height of ground rod at tower base

On 10/23/17 7:00 PM, Jeff wrote:
> What does the NEC code (meaning a safety ground and not the more 
> expansive proper lightning dissipation) for minimal grounding of a tower?
> 
> I need to get the rural county building inspectors out to look at my 
> towers and want to show them something that they will have seen before 
> with respect to a basic safety ground.  From what I understand locally 
> that means a pair of ground rods in a configuration like what would be 
> required at a house for the mains entry.
> 

Today, that means a Ufer ground - 20 ft of conductor embedded in the concrete. 
Conductor can be rebar.



> To that end I am unsure what the height of the ground rod should be in 
> the NEC context?  Is the connection wire/rod joint to be made above 
> grade, even with grade or below grade?
> 
> 73/jeff/ac0c
> www.ac0c.com
> alpha-charlie-zero-charlie
> 
> 
> _______________________________________________
> 
> 
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