Re: [TCML] Re: "Wall Wart" Transformers

[Skip Malley <skip@xxxxxxxxxxxxxxx>]

It has absolutely nothing to do with the thickness of the wire.  If 
the primary is wound for 120 volts and the secondary for 12 volts, 
beyond that on either winding, the steel core can not be magnetized 
any more.  It then acts like a short circuit.  The voltage rating of 
a winding is based on the maximum magnetic field the steel core can 
handle.  You can't take a 120:12 transformer and put 120 Volts on the 
12 volt side and expect to get 1200 volts on the 120 volt side.  As 
you saw, all you get is smoke.

Skip

At 04:39 PM 3/24/2009, you wrote:
> Figured i'd plug one in anyway just to check, and i got lots of smoke,
> buzzing, and heat.  Oh well guess the wire was too thin... maybe a
> really really small TC... thanks anyway though
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