Re: Using dual 120V for 240?

• To: tesla-at-pupman-dot-com
• Subject: Re: Using dual 120V for 240?
• From: "Bert Pool" <bertpool-at-ticnet-dot-com> (by way of Terry Fritz <twftesla-at-uswest-dot-net>)
• Date: Mon, 05 Jul 1999 11:54:11 -0600
• Approved: twftesla-at-uswest-dot-net
• Delivered-To: fixup-tesla-at-pupman-dot-com-at-fixme

Yes it is possible to wire two 120 volt variacs for 220.  They need to be on
a common shaft.  I have a schematic at:
http://www.ticnet-dot-com/bertpool/building.htm
Bert Pool

-----Original Message-----
From: Tesla List <tesla-at-pupman-dot-com>
To: tesla-at-pupman-dot-com <tesla-at-pupman-dot-com>
Date: Sunday, July 04, 1999 11:31 AM
Subject: Using dual 120V for 240?


>Original Poster: "Coiler" <mycroft-at-access1-dot-net>
>
>I am curious.. is it possible to gang a pair of 120V variacs to
>control 240? I assume they would be wired in series, with the center
>leg shared between, basically, one on each side of the neutral.
>
>Would this work? and if so, what are the gotchas?
>[I see lots of monster 120V variacs on E-bay, but no 240, so I am
>trying to be inventive here.]
>
>
>Michael Baumann
>Coiler, Homebrewer, Nerd. mycroft-at-access1-dot-net
>
>
>
>

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