On 1/23/07, Carl Denk wrote: > > Would not an isolating transformer still be a risk? Thinking the learned > ages ago, when working on electric, keep one hand behind you so the > current won't go from one hand to the other via arms and the heart. The > isolation transformer will eliminate the ground problem, but the issue > of wire to wire with 120 volts or so still exists. > :) Or 230 volts, depending where you are. In the long term, a ground fault could develop and then you aren't isolated anymore, but you don't know about it until someone gets zapped. -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist