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 ...

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 ...

Q–My bathroom has a ground fault circuit interrupter outlet next to the sink, as required by law. However, we have a regular outlet on the outdoor patio next to the house, but this has no GFCI. I had ...

The Weekly Fix is a home maintenance column by Home Repair Resource Center, a Cleveland Heights nonprofit that helps homeowners buy, repair and retain their homes. Each week, the center offers a ...

RECENT testing by Underwriters Laboratories (UL) of samples obtained from both the marketplace and several manufacturers indicates that some ground fault circuit interrupter (GFCI) units do not meet ...

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 ...

Your circuit breakers are some of the most important but least understood parts of your home's electrical system, keeping you safe from electrical fires. Let's take a look at how they work.

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 ...

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 ...

This is the second part of a two-part series on the methodologies used to find the short circuit current duties of circuit breakers and fuses. The first part, Short Circuit Current Duties of Circuit ...

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 ...