Where's my diapered horsee...?
IT DEPENDS
Got a bad burn on my forearm laying it on a cold 12-volt conductor.
I trust ZERO instruments (other than a meter) except for a voltage detector. Ya wave ya see at each socket slot on the receptacle. She screeches at the neitral pi ya gots a problem. Connect it and wave it near the door handle. She screeches you gots ya a problem. You're inside the rig and the lights flicker ya walks over to the drawer grabs it and wave it at the refrigerator or stove. It screeches ya better watch out. Mexican electricians hear the word Tierra and they stamp their feet, say "¡Si" and continue working. You are damned lucky you did not end up in the morgue.