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Split Receptacles

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A duplex receptacle has removable metal tabs that electrically connect the two terminals together on each side of the receptacle. A split receptacle has one or both tabs removed to isolate each terminal from the other. In most cases, only the line tab is removed.

Switched Split Receptacle

A switched split duplex receptacle (also known as a “half hot”) is used to control a table or floor lamp with a wall switch near the room entrance. Half of the duplex is connected to the switch and the other half  is always hot. Switched duplex receptacles are rotated 180 degrees from the orientation of other receptacle in the house for identification. The tab on the receptacle that connects the hot terminals together is removed so that each half of the receptacle can operate in dependently.

Split Receptacle Diagram

Switched Receptacle



Tab is removed

Neutral terminal screws connected by metal tab

Split receptacle rotated 180 deg from conventional orientation

Spit Receptacle Wiring Diagrams

Split Receptacle, Same Circuit

Switched line for floor

 or table lamp

Ground not shown

Always hot

Split Receptacle, Same Circuit

Split Receptacle, Different Circuits

Split Receptacle, Different Circuits