[Amps] Silly (use of) variac question

[Robert Chudek]

If your 240 AC source is wired proper, the green wire is a safety ground. It 
should be connected to the chassis or frame of the variac.

73 de Bob - K0RC


----- Original Message ----- 
From: "Scott Townley" <nx7u at cox.net>
To: <amps at contesting.com>
Sent: Thursday, January 19, 2006 10:55 PM
Subject: [Amps] Silly (use of) variac question


> 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 only obvious alternative to me is to ignore 
> the green wire altogether but that doesn't seem like such a hot idea.
> Suggestions on how to do it right/safely?
> TIA,
> Scott NX7U
> PS Of all the AMPS subjects, I never thought *this* would have hung me up 
> :-(
>
> Scott Townley NX7U
> Gilbert, AZ  DM43di
>
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