Good idea: since I'm not in the mood to look it up at the moment, I'm just going to say good idea because of creative license and hopefully it doesn't screw up any established canon.
Reworking the secondaries of cannibalized/salvaged microwave transformers for high current output as opposed to high voltage in order to make your own home rigged arc welder.
"I cant see S***! --YOU GO TO HELL!" --Tourettes guy