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[Towertalk] lightning ground wire size

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Subject: [Towertalk] lightning ground wire size
From: W8JI@contesting.com (Tom Rauch)
Date: Wed, 7 Aug 2002 06:45:05 -0400
> is #2 stranded jacketed if its above ground... i was allways told that
> stranded is best for DC voltage (lightning) the finer the strand the
> better, altho i am not completley shure, thats what ive been told

The exact opposite is true.

Stranded wire is always worse for higher frequencies, and lightning 
has considerable high frequency energy.

Stranding (or worse yet weaving) is undesirable even with pure dc 
with extremely high current flows. 

Stranding is better if the wire has to be bent in a tight radius or 
if it must be flexed many times.

73, Tom W8JI
W8JI@contesting.com 


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