Re: photocopier transformers (its a simple typo thats causing the confusion)

["Tesla list" <tesla-at-pupman-dot-com>]

Original poster: "by way of Terry Fritz <twftesla-at-qwest-dot-net>" <Hollmike-at-aol-dot-com>

I have one from a very large copy machine(four foot bulb).  It is mercury vapor

Mike       



>
> There are also HV transformers used to run the very bright light that shines 
> on the original. The light bulb (as it were) is a gas discharge lamp which 
> needs a "constant current" type ballasted supply. It works like a BIG, 
> BRIGHT neon sign, probably using xenon or mercury vapor (I'd be interested 
> in knowing...).  These are the 4500 V, 400 mA units from H&R and C&H, for 
> instance