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Re: [TowerTalk] Ground wire

To: Jim Miller <JimMiller@STL-OnLine.Net>
Subject: Re: [TowerTalk] Ground wire
From: Jim Lux <>
Date: Mon, 17 Sep 2007 13:43:34 -0700
List-post: <>
Jim Miller wrote:
> I usually do this, not asking it clearly.  It makes perfect sense to me but
> I know what I am trying to find out.
> I can run enough of the 3 wire #8 cords to be as large or larger than
> whatever is recommended.  What I should have specified is that the wires are
> insulated (romax style) and then the separate runs of course are insulated
> from each other and then bundled and ALL the wires at each end tied together
> as if they were ONE conductor.
> Now the question.  I was wondering if the wires being insulated individually
> will cause some adverse effect (being caused by their capacitance or
> inductance to each other) on their capability to properly handle a
> ("normal") lightning strike verses using a single conductor of similar size.

The inductance will be LESS than a single conductor of the same cross 
sectional area.  What you're basically implementing is a version of the 
"bundled" conductors you see on HV transmission lines, or, for that 
matter a form of Litz wire.


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