I got mine from my local electrical supply house. $38/500' for 12ga THHN.
I'm going a bit heavier because of cattle.
On Fri, Dec 2, 2016 at 11:06 AM, StellarCAT <rxdesign@ssvecnet.com> wrote:
> Agreed Jim,
>
> I bought a 6000' roll of #18 insulated from DelCity a while back - got it
> on sale for $183 including shipping .... it was in a self storage with lots
> of other things which ended up getting broken in to and stolen. Also they
> took the electronics for a Hi-Z 4 sq and all the hardware for a M2 10M7DX
> that I had separated in to a bucket. Now DelCity wants $350 for the same
> wire. I can get #14 THHN insulated from HD for $26/500'. So that's what
> I'll go with.
>
> I've decided to stick with my original plan of doing 40 125' radials (the
> original original when I had the 6000' roll was 50 of these ... oh well -
> I'm sure no difference).
>
> Gary
> K9RX
>
>
>
> -----Original Message----- From: Jim Brown
> Sent: Thursday, December 1, 2016 2:24 PM
> To: towertalk@contesting.com
> Subject: Re: [TowerTalk] radials
>
>
> On Thu,12/1/2016 11:04 AM, w5jmw@towerfarm.net wrote:
>
>> As long as we are on this subject.What abt wire diameter of the
>> radials.Is there a desired size.Does say #22 work as well as #12. current
>> tarvels on the outside.
>>
>
> In general, using wire larger than #18 is for mechanical strength rather
> than resistance, and even conductors as small as the #24-26 used in CAT5
> cable have been successfully used in large on-ground radial systems
> where there are a large number of radials. If you're installing only a
> few radials, I would consider #18 a minimum size if you plan to run high
> power simply to avoid overheating the conductor near the feedpoint
> (where current is usually a maximum).
>
> I use #14 THHN (ordinary house wire) because I can easily buy 500 ft
> spools at good prices from my local big box store. I would use #18 if I
> could buy it as easily and cheaply. But there is considerable
> convenience in being able to put 4 spools on a rod, and measure off 4
> radials at a time. :)
>
> 73, Jim K9YC
>
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