The hot wire goes on the brass screw, the neutral on the silver. (The device may also be labeled HOT and WHITE.) Receptacles also have a green grounding screw for the ECG. In a duplex, either set ...

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).