[TowerTalk] Ground wire

Jim Lux jimlux at earthlink.net
Mon Sep 17 16:43:34 EDT 2007


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.




More information about the TowerTalk mailing list