Just tail off the ground and neutral to the new device and make a make a joint from the line hot wire to go to the receptacle and the switch terminals on the new device. Tape or lock the box with a warning label to prevent anyone.

Need Help With Gfci Switch Combo Only Two Wir Leviton
How to wire a switch outlet combo. The box is technically grounded although not by new code as its an older box style and would still function if you wanted a combo switch receptacle in that box. To do this simply connect the upper wire there are two builtin wires on the back side of gfci to the line terminal of gfci while the second wire should be wired to the incoming line phase live or hot wire. This gfi switch combo will either come with wired leads for connecting to your existing wires or there will be screw terminals for direct wired connections of your existing wires. To do this you have to join together the black wires neutral wires and ground wires so that you have one connection for each using pigtails. The following diagrams show each wiring configuration. Switch and the outlet can have different lines in.
Switch can control the light and outlet. Connect the ground earth terminal to the ground wire from the main board. How to wire a combination outlet switch step 1. Shut off power to the circuit at the breaker box. With levitons extensive assortment of combination devices you can fill a one gang space with two switches a switch and receptacle even a switch and gfci. A typical example of this situation is if you had the same scenario as above but with a 3 wire circuit such as in a kitchen split receptacle and wanting to add some under counter lighting for example.
How to wire a gfci combo switch receptacle outlet the same is true for the gfi outlet connections. A switch and outlet combo can be configured in several ways. Remove the mounting screws holding. Hook the load back up to the load side of the switch and youre ready to go. Switch controls light and outlet. Switch can control the light only.
To add an additional outlet to the combo device simple connect the line neutral and ground terminals as shown in the fig below. Wiring an outlet to the combo switch outlet in this wiring diagram the builtin switch in the combo device controls a lighting point whereas outlet can be used for other loads. A metal tab connects the line right side of the switch and line side of the outlet. Ground connection diagram is shown separately. Just as the receptacle that you replaced will have the tab on the hot side removed here we have to remove the tab on. Alternatively you can wire the switch up in such a way that only that single outlet will be controlled by the switch but other outlets in the circuit will still stay powered on constantly.
Switch controls light only. Fishing in a wire from the receptacle to the light fixture is fairly easy so this is how you would wire the switchreceptacle combo device in this situation. From sensor guide lights to multi. Wire combo switch outlet with constant power to outlet video duration. Converting a light switch to a switchoutlet combo. How to wire a switch and outlet combo.
Remove the cover plate by loosening the screws with a slotted screwdriver. With the screw terminals you will typically have the option of sharing the same power source or separate power sources.