One of the most important aspects of a safe electrical power system is the proper performance of ground-fault protective equipment. Mandated by the National Electrical Code (NEC), Art. 230.95(C) ...

If the service is a solidly grounded wye of more than 150V to ground but not more than 1,000V phase to phase, each service disconnect of 1,000A or more must have ground-fault protection [230.95]. This ...

The HelioFuse is a molded in-line fuse that helps protect photovoltaic (PV) systems from ground fault current damage. The fuse is used by PV system engineers, solar contractors, and design engineers.

Imagine you are sitting snug in your house on a stormy evening when, all of a sudden, the lights start flickering, and ...