Question: You talked about a ground fault circuit interrupter and that it’s necessary in different places in the home. My home was built in the 1950s, and I don’t ...

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 ...

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 ...

Do-it-yourselfers face special hazards of electrical shock during winter and spring, when damp conditions often exist inside and outside homes because of melting snow and frequent rains. The risk is ...

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 ...

Do you ever test your ground fault interrupters? I asked my wife that question and she said, in a mystified tone, that she didn’t know she could. Properly called “ground fault circuit interrupters” or ...

Ground fault circuit interrupter receptacles, otherwise known as GFCI’s, help prevent electrocution by stopping the flow of electricity through an outlet when a problem is detected. GFCI’s do however ...

NOTE: THIS SAFETY DEVICE IS STRONGLY RECOMMENDED FOR ALL USERS OF CAPACITOR LIMITED OFF-LINE POWER SUPPLIES! I always wondered what was inside one of these clever devices, so I found one in my junk ...

What is ground-fault protection? The answer depends on whether you are talking about ground-fault protection of equipment or ground-fault protection of people. Just because ground-fault protection is ...

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 ...