This is called a fault. But the metal case is connected to an electrical path consisting of the ground wire in the power cord plugged into the wall socket, as well as the wire from the wall ...

If it’s plugged in to the wall but through an isolated power ... connected to each other and referenced to the same wire – the ground pin.” When you connect the ground clip to the device ...

To make room for the cutter, Tim uses his feet to hold the shelving off the ground ... and one wire per end is enough. Cutting exact lengths will only earn you wall scratches and a trip back ...