3 Way Rocker Switch Wiring Diagram. Three-way light switches control a light from. It's very easy to mix up three-way switch wiring when replacing a three-way switch, especially because in older wiring systems the Replacing a Toggle Light Switch With a Rocker Style Switch.
Test old switch and new switch with continuity tester or multimeter to match up wires. Three-position rocker switches have a center position that may or may not perform an OFF function. Here is a wiring diagram of how the internal switching and lamp wiring is connected.
Now that you have an idea how rocker switches are constructed internally, let's go over the wiring diagram, so that you will now how to connect a rocker switch to a circuit.
The side that is connected to the center pin will be the pin opposite the depressed end of the switch.
Usually the common pin is in the center. DPDT rocker switches make or break the connection of two conductors to two separate circuits. Three-position rocker switches have a center position that may or may not perform an OFF function.
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