Q This is an old question, but I would appreciate additional input. We have a utility main service, wye-wye pad-mounted transformer, three-phase, four-wire secondary with ground ring and four rods, ...

3). Ground ring. To qualify as a grounding electrode, a ground ring must contain at least 20 feet of bare copper conductor that is at least 2 AWG. It must encircle the structure and be in direct ...

It channels harmful shaft currents away from bearings to ground. To facilitate field retrofits on coupled equipment, the maintenance-free split-ring iPro comes in mating halves. The iPro safely ...