The NEC 2026 introduces innovative provisions like Power Control Systems and clearer interconnection rules, enabling ...

Obtaining reliable data from electric utilities about magnitude and duration of single-phase, line-to-ground fault currents at the service entrance of commercial and industrial facilities is of ...

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 ...

Change is meant to curb stray electrical current ...

Ground loops are a common yet often overlooked issue in building electrical systems. While they may seem minor during design or construction, ground loops can significantly impact system performance ...

Created to protect personnel from electric shock, GFCI-type operations now help protect equipment as well. • Ground-fault sensing now protects equipment as well as personnel. • The magnitude of ...

Albert Einstein once said: “A clever person solves a problem. A wise person avoids it.” To mitigate the wildfire challenge, a utility must be both clever and wise. Southern California Edison (SCE) ...

A PAPER entitled "A Modern Earth-Fault Relay Equipment for use on Systems Protected by Petersen Coils" was read in London recently by L. B. S. Golds and C. L. Lipman before the Institution of ...

Utilities face growing pressure from industry regulators to increase network reliability. As such, electricity supply reliability indicators, namely the system average interruption duration index ...

Residential electrical branch circuit breakers incorporate electronic and electrical technology in Arc Fault Circuit Interrupters that can turn off power to prevent fires if arcing occurs. This ...