Originally Posted by Dave_C

I thought it all depends on the current? Isn't that why you can safely have a several thousand volt shock from something cool like a Van der Graaf generator, and feel fine, where as if something is 12V, but a few hundred amps, you probably wouldn't be!

Also, don't most household (and I'd assume aircraft using 110/220V) have circuit breakers on them that trip out after around 5ms, so you don't get a lethal shock anyway?

Please excuse me if I'm wrong, but it's been a while since Physics A Level!