On 14/09/2011 09:19, Electron wrote: > Very interesting. What is the minimum current to actually feel the line? About 0.5mA at 60Hz. > > And the current to risk fibrillation? I think for 60Hz severe pain and difficulty breathing will start around=20 20mA, and fibrillation is possible at or above this - usual figures are=20 >50mA. Useful link here: http://www.allaboutcircuits.com/vol_1/chpt_3/4.html --=20 http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .