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 ...

BOULDER – One of the most common issues found during a home inspection is missing GFCI receptacles or circuits. GFCI units are electrical outlets equipped with a ground fault sensor and a circuit ...

What is this new circuit breaker, the Arc Fault Circuit Interrupter (AFCI), and how is it better than the circuit breakers (CBs) we have? Let me tell you a little story. Recently, I was working in a ...

What if you didn’t have to risk your life to disconnect the power during a catastrophic storm? That’s a question many people in Houston were asking themselves as they watched water from Hurricane ...

Circuit breakers are manual switches that open under overload conditions. Circuit breakers discussed here are general-purpose types that meet the minimum Underwriters' Laboratories Inc. (UL) standards ...

Dear James: I am concerned about a fire from an electrical issue in my older house. What are the differences among fuses, breakers, GFCI and AFCI, and which are best? — Peggy T. Dear Peggy: You are ...

The ZGFI7101 is an integrated circuit designed for earth leakage circuit interrupters featuring low power consumption and high gain differential amplifier. It has high input sensitivity and large ...

Double-Tapped Circuit Breakers Here's the thing: when you cram two wires into a breaker designed for just one, you're playing ...

The United States' National Electrical Code (NEC) recently expanded Arc-Fault Circuit Interrupter (AFCI) requirements (see "Arc-Detecting Circuit Breakers Will See Wider Use" at ...

A core-balance protection device serves as an example of how these switches operate. Phase and neutral power conductors pass through a toroidal (differential) current transformer. Under normal ...