Quote Originally Posted by Wobblybootie View Post
I like your thinking .... What is a 'Ground Loop' ??
When your earth wires form a loop, think of it as a single turn fat transformer winding that someone has shorted out with a crowbar.

It soaks up stray magnetic fields, sucking power out of anything trying to flow AC or switch DC. It flows milliVolts at big Amps.

The worst one is when a newbie looks for somewhere to connect his earth wire and spots a handy nut on top of a toroidal transformer :rofl: