Person plugging something into a GFCI outlet with red and black buttons - Tomsmith585/Getty Images Have you ever noticed how some electrical outlets in your home look slightly different from the rest?

A friend who was buying an older house was concerned about electrical safety and asked for my opinion as an electrical engineer. All of the AC receptacles (also called outlets) in the house were the ...

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 interrupter (GFCI) protects people from shock, while an arc fault circuit interrupter (AFCI) protects people from fires that could result from electrical arcing of wiring inside ...

In this episode, Russ shows us a GFCI receptacle full of dirt. The receptacle is energized but, because of its state and lack of cover, which is a Sec. 406.9(B)(1) violation, Russ questions if it ...

Q: We’re selling our house, and the buyer had an inspection done on it. The bad news is that our bathroom needs a ground-fault circuit interrupter (GFCI) installed. It’s the only outlet in the ...