Wireing Three Way Switch. That's where understanding a wiring diagram can help. Separate the wires so that they are as far away from each other as possible.
The end switches are three-way, and the middle is four-way. Before you begin anything with a three-way, you must understand that in order for you to have a three-way circuit you must have three-way switches. For starters, it doesn't have "OFF" and "ON" printed on the toggle, and it doesn't have a top.
That's where understanding a wiring diagram can help.
Disconnect all three wires (or four, if the outlet is grounded) from both switches.
Right now, each switch is functioning like a single pole, turning on/off the string of outlets rather than controlling the outlets as intended. Three-way wire(which includes red, black and white wires) runs from the switch on the left to the switch on the right, with the white wire carrying There are several other ways to wire three-way switches to a light. Wiring a three-way switch allows you to conveniently adjust your lights from two different locations, and it Wiring a three-way switch will take a few hours, depending on your wall framing.