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 ...

The multi-wire branch is here to stay; so is ground fault protection. But we should unite these technologies only when it’s a good match. Ground-fault protection and the multi-wire branch circuit ...

Littelfuse, Inc. has announced its RCD300M2 Differential Current Relay, designed to improve worker safety and protect equipment from dangerous electrical ground faults. Littelfuse, Inc. has announced ...

Q. My home was built in the 1950s, and I don’t have ground fault circuit interrupter outlets. Should I have them installed? A ground fault circuit interrupter, or GFCI, protects people and animals ...

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 ...

A friend who was buying an older house was concerned about electrical safety and asked for my opinion as an electrical engineer. All of the AC receptacles (also called outlets) in the house were the ...

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 ...

NK Technologies (www.nktechnologies.com) introduces the DG Series DC Ground Fault Detector. NK Technologies (www.nktechnologies.com) introduces the DG Series DC Ground Fault Detector. The DG series ...