Source Breakers and Ground Wires - HyperPhysics Source Source Source Source Source http://hyperphysics.phy-astr.gsu.edu...ic/bregnd.html Hyper-Physics: The Ground Wire Source http://hyperphysics.phy-astr.gsu.edu...ic/bregnd.html Source Source ground wire Source ground wire http://hyperphysics.phy-astr.gsu.edu...ic/bregnd.html