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Re: [TowerTalk] THHN wire problem

To: towertalk reflector <>
Subject: Re: [TowerTalk] THHN wire problem
From: Alan NV8A <>
Date: Tue, 23 Oct 2007 18:47:03 -0400
List-post: <>
On 10/23/07 06:28 pm Robert Carroll wrote:

> I used solid THN in NJ for various wire antennas which were up for years
> with no sign of deterioration.  Then I moved to the Atlanta area and put up
> a DZepp for 40m about two years ago.  There has been deterioration in that
> antenna.  Strands of what I thought were insulation were hanging down form
> it, but did not seem to affect it.  
> Recently I had it down and found that it was not actually insulation which
> was hanging down.  It was some sort of clear coating which had been applied
> over the colored insulation.  There was no sign of cracks or breaks in the
> colored insulation, but maybe that will follow soon.

I have found that that thin clear outer sheath does not do well outdoors 
-- and of course it was never intended for exposure to sunlight/UV.

Alan NV8A

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