> We had to be careful about those AC utility jacks. The tester ground was at -11 volts at several hundred amps. If you clipped a scope to a ground, it would happily melt the insulation off the scope probe until it stunk up the room and pooled on the floor. We had to use a three-prong adapter with the ground cut off.
You don't get this kind of excitement anymore with modern electronics.
You don't get this kind of excitement anymore with modern electronics.