Two different technologies protect against two different types of hazard. Ground fault circuit interrupter (GFCI) devices protect people from shock by opening a circuit at a low threshold of leakage ...

Q: I went to use my hairdryer in the bathroom, but I discovered some of the outlets have stopped working. My GFCI test button won’t push in when I try to reset it, but nothing has tripped in the ...

A. Ground-fault circuit interruption for personnel must be provided as required in Sec. 210.8(A) through (D). The ground-fault circuit-interrupter (GFCI) device must ...

While the National Electrical Code (NEC) specifically mandates that new construction includes GFCIs in basements, there is another ironic exclusion among the list: sump pumps. Sump pumps are designed ...

Identifying GFCI use with extension cords is one of the best and easiest steps when inspecting a job site for safety. Any construction work site is full of potentially dangerous situations. OSHA ...

Q: In the past you’ve written about special outlets for the garage. What should I install? I’m selling my house to my son and I want everything to be safe. A: Your question is timely because I ...

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 ...

With spring approaching, and all of the plans for outdoor living rooms that spring brings with it, it's a good time to remember to install outdoor GFI outlets for safety. Green Star Electrical, an ...

From the time they were introduced in 1973, ground fault circuit interrupters (GFCIs) have reduced the number of electrocutions by 83 percent, according to the Electrical Safety Foundation ...