One problem is that many older houses don't have grounding. Half my outlets are ungrounded and I use GFCI to get three-prong plugs. Or the grounding is done through pipes and conduit which aren't suitable for running current.
The standards for grounding make them unsuitable for running current. The ground wire in box are frequently bare. Metal boxes are grounded. The center screw is grounded. If you run current over the ground, those are live.
You have invented a way to electrocute lots of people.
The standards for grounding make them unsuitable for running current. The ground wire in box are frequently bare. Metal boxes are grounded. The center screw is grounded. If you run current over the ground, those are live.
You have invented a way to electrocute lots of people.