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 ...

The tell-tale sound, flash of light, flames, and resulting smoke — all indications that an arc flash incident has taken place. It’s the ultimate workplace nightmare of every electrical professional — ...

It can be difficult to determine if you've got a bad circuit breaker. There are steps you can take before deciding to repair, ...

The National Electrical Manufacturers Association (NEMA) and electrical and fire safety advocates across the globe are celebrating the 25-year anniversary of the Arc-Fault Circuit Interrupter (AFCI).

The 2008 National Electrical Code (NEC) will require arc-fault circuit interrupters (AFCIs) throughout new homes in the U.S. So, your new construction should now incorporate ground-fault circuit ...

Reviewing a typical protective device trip curve (click here to see Fig. 2), it can be divided into three regions. First is the “instantaneous region,” which is the region intended to interrupt ...

Until very recently, few alternatives to electromechanical and magnetic circuit breakers existed. Designers were forced to live with such undesirable characteristics as arcing and switch bounce (with ...

My introduction to circuit protection came at the tender age of eight. Being a curious lad with an inventive – and apparently self-destructive – bent, I decided to make my mother a lamp. I put a hose ...

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 ...