We’ll show you how to replace a standard duplex receptacle with a GFCI and wire it to protect other outlets. (For more information about wiring outlets, see Wiring Switches and Outlets).

If your existing outlet has load wires, the GFCI receptacle will also protect the additional outlets powered by these wires. Step four: Refer to the wiring diagram included with the GFCI receptacle.

Electricians will frequently wire outlets in locations that require GFCI circuitry through one single GFCI that they will place in a bathroom, powder room, garage or near the panel box.

These GFCI switches are a little larger, and you don't want to overcrowd the box. Remove the old outlet receptacle and follow the directions included in the package for the new receptacle.

So I just bought a house and there are no GFCI outlets in the kitchen. There are 7 outlets total that I can find, on three separate 20-amp circuits in the CB box located in the garage. One outlet ...

If, for instance, a bathroom has a non-GFCI receptacle, your inspector should be able to tell you if it is on a GFCI circuit. Multiple receptacles may also be protected by a single GFCI receptacle.