These 65-year-old safety devices can be a source of inconvenience if you misuse them. They can also save your life.
A GFCI outlet (receptacle) protects against electric shock by monitoring the electrical current flowing through the GFCI. If there's even a tiny difference (4 to 6 milliamps) between the hot and ...
Learn More › A: Ground fault circuit interrupters, or GFCIs, are outlets designed to shut off when they sense a ground fault or short in electricity. When a GFCI outlet senses an overload or ...