Sorry if this is asked frequently but could I have found a transformer on eBay but it has a 120v primary, so I will require a step-down transformer or a Variac as Ross has mentioned. I am planning on using:
http://www.ebay.com/itm/9000-V-30mA-Neo ... 6#shpCntId
With a Autotransformer:
http://www.ebay.com.sg/itm/Hammond-170F ... 3e9&_uhb=1
Or a Step-Down transformer:
http://www.ebay.com/itm/220-240-TO-110- ... 0290338853
The Step down transformer will provide a 110v output, which is less than the 120v primary of the transformer but it's better than nothing.
Could I use these for a demo fusor?
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Re: Could I use these for a demo fusor?
I still strongly suggest a variac. It's a variable autotransformer. Since you need a variac anyway, you'd be hooking two autotransformers back-to-back unnecessarily. Variacs are available with taps so that you can automatically adjust to the correct voltage, or else you can simply not turn it up past 50%.