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Re: [Amps] Is solid Cu 600VAC house wire, good for tank toroids?

To: KD7QAE <KD7QAE@ARRL.NET>
Subject: Re: [Amps] Is solid Cu 600VAC house wire, good for tank toroids?
From: R.Measures <r@somis.org>
Date: Thu, 5 Jan 2006 02:23:47 -0800
List-post: <mailto:amps@contesting.com>
On Jan 4, 2006, at 9:49 PM, KD7QAE wrote:

> All,
>
> While testing some cores in the shop tonight I happened to grab a hunk
> of 10AWG solid Cu insulated house wire and threw 10 turns on a T400
> core.  It sure was pretty, all red and grey with big white turns.  The
> insulation looks like it would handle much more than 600V with a heavy
> plastic (PVC?) and a thinner clear (nylon?) secondary insulation.  My
> questions are this: Has anyone hipotted this kind of wire and has 
> anyone
> RF tested this insulation?

Nylon has a horrid D-factor.

> The conventional wisdom has you double tape
> the core with silicone or fiberglass tape and wind with a TFE sleeved
> wire.  Perhaps the use of house wire would simplify this step(?).

Stranded #10 TFE hookup-wire works well for RF toroids.
>
> I am now ducking and waiting for the sound thrashing I deserve!
>
> Tomm, KD7QAE
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>

Richard L. Measures, AG6K, 805.386.3734.  www.somis.org

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