Wiring Diagram 3 Way Combination Switch. But with many switch and device arrangements. Right now, each switch is functioning like a single pole, turning on/off the string of outlets rather than controlling the outlets as intended.
They've also remained largely unchanged for decades. They are always installed in pairs and use special wiring connections. Connect blacks and red to any screw, turn on power, and try BOTH switches Keep trying until correct combination is discovered Both switches must work in all possible up-down positions before wiring is correct Incorrect wiring will not.
The diagram below will give you a better understanding how this circuit is wired.
But with many switch and device arrangements.
You can put your lights on a dimmer switch in no time. Options for North/South coil tap, series/parallel & more. With a few tools and your handy wiring diagram, you can add a custom lighting solution to any.