[TowerTalk] Double Coax Runs to Reduce Loss

[Jeff Draughn]

The twisted pair is an excellent idea!
I have never used a drill but I like it.
I use a waxed tie cord(string) and tie a knot about every foot and that
holds the wires together.

73, Jeff
N0OST



On Thu, Dec 22, 2016 at 11:50 AM Jim Brown <jim at audiosystemsgroup.com>
wrote:

> Also beware of vendors selling that shiny red/black zip cord -- the
>
> copper is often several gauges smaller than it's advertised, with
>
> thicker than usual insulation. And zip cord is a terrible choice for
>
> power and loudspeaker wiring, because it's a sitting duck for RFI.
>
>
>
> FAR better to use twisted pair, which is much harder to buy but easy to
>
> roll your own. Simply buy lengths (or spools) of black and white
>
> stranded THHN, stick one end of both conductors in a hand drill, the
>
> other end in a vise, and run the drill slowly for a while. Let the
>
> twisted conductors sit overnight in the drill and vise. They will try to
>
> untwist, but letting them sit minimizes that. The twist will not be
>
> perfectly uniform, but it will be plenty good enough.
>
>
>
> 73,Jim K9YC
>
>
>
>   On Thu,12/22/2016 6:15 AM, john at kk9a.com wrote:
>
> > The vendor probably believed what
>
> > he was saying and should be properly informed.
>
>
>
>
>
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