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Re: [Amps] Silly (use of) variac question

To: nx7u@arrl.net
Subject: Re: [Amps] Silly (use of) variac question
From: Vic K2VCO <vic@rakefet.com>
Date: Thu, 19 Jan 2006 21:15:14 -0800
List-post: <mailto:amps@contesting.com>
Scott Townley wrote:
> OK...gonna slowly bring up an old amp that runs on 240VAC only.  I
> have 240VAC into the shack and a 240VAC variac (Powerstat model 246).
> I went to hook it up and...I can't figure it out :-( The wall socket
> is 120-0-120 of course, and that's what the amp expects too (3-wire
> black-white-green).  How does the ground (green) wire play with the
> variac in line? 

The green wire should go to the chassis of the amp.  It does not connect 
to the variac (unless the variac is in a box which you could ground 
too).  The black and white wires go across the whole variac coil.  The 
two non-ground wires to the amp go to one side of the variac coil and 
the movable tap.
-- 
73,
Vic, K2VCO
Fresno CA
http://www.qsl.net/k2vco
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