Electrical substations utilize direct lightning stroke shielding to help ensure proper operation, and to prevent costly damages and extended outages. While modern substation designs and equipment make ...

Okay, I've found out from PolyPhaser that the lightning arrestors on the network referred to in this thread I posted recently were *not* installed correctly. The current setup has the towers grounded ...

What is ground-fault protection? The answer depends on whether you are talking about ground-fault protection of equipment or ground-fault protection of people. Just because ground-fault protection is ...