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Re: 1156 1256 variac question



Original poster: "S&JY" <youngsters@xxxxxxxxxxxxxxx>

Kevin,

I run two 120 volt ganged variacs.  They are fed by a USA standard 240 volt
circuit (120-neutral-120 volt).  One variac connects between one of the 120
volt feeds and neutral.  The other one connects to the other 120 volt feed
and neutral.  You can get 0 to 240 volts between the two wipers.

(David Rieben gave another response, but I don't see how his scheme could
work.  Depending on which wiper to common you pick, you will end up with 0
to 120 out, or 120 to 240 out, but not 0 to 240.)

--Steve Y.


----- Original Message -----
From: "Tesla list" <tesla@xxxxxxxxxx>
To: <tesla@xxxxxxxxxx>
Sent: Saturday, April 29, 2006 4:55 PM
Subject: 1156 1256 variac question


> Original poster: makinglightning@xxxxxxxxxxx
>
>
> I have 2 - 1156 variacs.
>
> Is there a way I can wire them so I can use them as one 240 v input
variac?
>
> I believe the 1156's are 120v and the 1256's 240v
>
> Kevin
>
>
>
>
>