The ground-fault circuit interrupter (GFCI) has enjoyed phenomenal success as a life-saving electrical device. Since its introduction in the 1960s, the number of non-utility fatalities has declined ...

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 ...