Meh. 120v is nothing compared to our 240v when it comes to killing power. ;D
I've had a number of nasty zaps.
With Trialex's idea you could even use two halves of a rectifier and you'd be able to detect the phase. 
Meh. 120v is nothing compared to our 240v when it comes to killing power. ;D
I've had a number of nasty zaps.
With Trialex's idea you could even use two halves of a rectifier and you'd be able to detect the phase.