Re: Using dual 120V for 240?

• To: tesla-at-pupman-dot-com
• Subject: Re: Using dual 120V for 240?
• From: FutureT-at-aol-dot-com (by way of Terry Fritz <twftesla-at-uswest-dot-net>)
• Date: Mon, 05 Jul 1999 11:43:50 -0600
• Approved: twftesla-at-uswest-dot-net
• Delivered-To: fixup-tesla-at-pupman-dot-com-at-fixme

In a message dated 99-07-04 13:37:53 EDT, you write:

<< 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
 
Michael.

I'm presently using two 120V  variacs wired in series for 240V input
operation.  One knob controls both via a common shaft.  

Cheers,
John Freau

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