To be competitive, some electrical contractors often supply low-voltage (LV) service entrance switchboards and switchgear that meet the minimum safety requirements of the National Electrical Code (NEC ...

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 ...

Ground fault protection is a cornerstone in ensuring the safety and operational reliability of modern power systems. Ground faults, which occur when an unintended electrical path connects a live ...

The PGT-0400 is a ground-fault-relay test unit designed to test current pickup level, time-delay and coordination of ground-fault protection. The tester injects current through the window of installed ...

Littelfuse, Inc. announced its new EL731 AC/DC Sensitive Earth-Leakage Relay, which can detect ground currents, even in resistance-grounded electrical systems,all the way down to 0 Hz. Littelfuse, Inc ...

NOJA Power highlights how modern Automatic Circuit Reclosers such as its OSM single triple ACR can assist utilities in protection schemes for isolated or high-impedance networks to minimize disruption ...

As more and more employers perform arc flash assessments of their facilities to keep workers safe and meet OSHA and NFPA 70E requirements, they usually discover that they have a lot of dangerous ...