You can replace almost any electrical outlet with a GFCI ... We’ll show you how to replace a standard duplex receptacle with a GFCI and wire it to protect other outlets. (For more information ...

If you are experienced with electrical work ... “Incorrectly replacing a GFCI outlet will lead to improper wiring, grounding issues or even a risk of fire,” says Vasilevski.

Although old two-prong wiring is often safe ... circuit interrupters perform a similar function to GFCI outlets, they work to prevent electrical fires caused by low-voltage electrical arcing ...