This is commonly used to turn a table lamp on and off when entering a room. Here a receptacle outlet is controlled with a single pole switch.

Switch Controlled Outlet Wiring Diagram Bing Images
Switch controlled outlet diagram. In this diagram 2 wire cable runs between sw1 and the outlet. Where my wiring set up differs is that i have 3 sets of romex coming in to the only outlet in the room that is controlled by the wall switch. In fact the national electrical code or nec requires a switched outlet in a habitable room without. The diagram below shows the power entering the circuit at the grounded outlet box location then sending power up to the switch and a switched leg back down to the outlet. A switch controlled outlet is a great way to control lamps in the den living room or bedroom. Are you interested in article.
If you are fixing more than one outlet the wiring can be done in parallel or in series. The tab connecting the hot terminals on the receptacle is removed and the source hot is connected to the bottom half. This diagram illustrates the wiring for a split half outlet controlled with a switch loop. 2 way switch wiring diagram 3 way switch wiring diagram. The source neutral is connected to one of the neutral terminals on the receptacle. With the outlet in place use the two included screws to affix the outlet to the junction box.
Outlets are split wired so that the top half of the receptacle is live all of the time and the bottom of the receptacle is controlled by the wall switch. Outlet controlled by switch in one box wire diagram. The switch could be left as a dummy. Wiring a split switched outlet with a switch loop. The source is at sw1 and the hot wire is connected to one of the terminals there. Wiring a switch to a wall outlet.
Half switched outlet wiring diagram depicting the electrical power feeding into an electrical receptacle box and then going to a switch and to another receptacle. Wiring a 3 way switch wiring a 4 way switch this entry was posted in indoor wiring diagrams and tagged do it yourself handyman handywoman home improvement home renovations house wiring light light switch outlet power single pole switch switch switch leg switched outlet wiring wiring diagram. The wall switch simply has a loop of the hot wire going through it so if the switch was removed and the wires were connected together then the wall outlet would be hot all the time. The easiest way to convert a half hot duplex receptacle or a switched outlet to be hot all the time is really not that difficult. Turn the power back on and make sure that the outlet works properly by plugging in a lamp and checking to see that the light switch turns the lamp on and off. How to wire an electrical outlet wiring diagram wiring an electrical outlet receptacle is quite an easy job.
Next mount the faceplate over the outlet and secure it with the small flathead screw. Notice that these outlets have the tab removed from the hot side or brass side of the outlet which allows the top half of the plug to be controlled only from the switch. Inside of the outlet box the first romex cable black wire goes to the gold screw the white wire is connected to the black wires from the other two romex cables in a wire nut.