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 ...

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 ...

According to the National Fire Protection Association and the National Fire Incident Reporting System data, the five-year period from 1994 to 1998 averaged 73,500 annual electrical fires that were ...

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 ...

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 ...

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 ...

Thank you for visiting one of our most popular classic articles. If you’d like to see updated information on this topic, please check out this recently published article, Recent Rule Changes for GFCI ...

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 ...

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 ...

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 ...