In a four way switch configuration three switches control a single fixture whether it is a light receptacle or other appliance.
How to hook up three light switches in one box.
Your gang box looks like an octopus with wires emerging from it like the tentacles of the kraken that sank the black pearl.
How to wire 3 light switches in one box diagram triple switch intended for how to wire 3 light switches in one box diagram image size 951 x 603 px and to view image details please click the image.
Either way complete these five steps for 3 way light switch wiring.
I will be adding a light switch where one already exists creating a 2 gang.
How to wire up 3 switches in a 3 gang box to operate 3 different lights.
First let s take a look at the back of several different light switches.
Add an electrical box for the second 3 way switch in the basement.
You have only one power supply wire and three different fixtures to be wired to that power supply.
Just like before twist the three wires together screw on a cap then connect the jumper to the switch in box 1 and the single black wire in box 2 to that switch.
It s likely you ll also need to replace the existing switch box with a larger one to accommodate the extra wires for the 3 way switch.
The black wire of the power feed coming in will be wirenutted to four black 6 pigtails which will go one each to the one of the brass screws on each of the four switches one wire to each switch.
How to wire three switches in a gang box seems a bit daunting just looking at it.
Turn off the correct circuit at your electrical panel.
One wire in the pigtail is the line wire and one goes to the switch in box 2 and the third is a single jumper wire needed to hook up the switch in box 1.
1 switch controls a 48 flourecent the one to be added will control 6 recessed.
However wiring three switches to control one light is possible.
The electrical line passes through and flipping the switch either connects or disconnects the flow of current.
Finally run the last 2 wire cable from the second switch s black screw to the light.
A simple ordinary on off light switch as in the first photo has two screws on it.
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Answered by a verified home improvement expert.
The configuration is called four way because the middle switch in the circuit has four connecting terminals rather than the usual three found on most switches.