With the installation described in this question you will need to purchase an outlet that has a removable tab or a provision for separating the top outlet from the. This outlet configuration is common in homes built in the 1980s when this method of wiring reached peak popularity.

Three Way Switch To Power Half Hot Outlet Keypad Isn T
Half switched outlet wiring diagram. If the outlet is a half hot only half the outlet is switched the fix is easy. The tab connecting the hot terminals on the receptacle is removed and the source hot is connected to the bottom half. Just install a new outlet using only the permanent hot in the box and cap off the switched wire with a wire nut. Wiring a split switched outlet with a switch loop. If it is not a half hot you may still be able to do it depending on how the wiring is run. A half switched outlet is an outlet where either the top or bottom half of the outlet is controlled by a switch while the other half is always on.
Switched split outlet wiring diagram for controlling the half of two duplex electrical receptacles by a wall switch without a neutral conductor. The connections for a switched outlet also known as a half hot plug. Wiring a half hot switched outlet how to wire a half hot switched outlet so that a wall switch controls half of the receptacle outlet and the other half remains on all the time. Also shown is the half of the receptacle that is live at all times and the tab that must be cut in order to split the receptacles. The wiring and connections will depend on where the power enters the circuit. The source neutral is connected to one of the neutral terminals on the receptacle.
The switched outlet wiring configurations show two different wiring scenarios which are most commonly used. This diagram illustrates the wiring for a split half outlet controlled with a switch loop. This video explains one wiring approach for creating a half switched outlet to.