Take your three way switch. The black screw is the common which we identified in the steps above as the switch leg or hot power source.
How To Wire Three Switches On One Circuit Electrical Diy
How to wire 3 switches. You will see a black screw and two gold screws on the switch. B the wires from the power source may enter the light fixture box first then travel to one switch and then connect that switch to the other switch. You will need three black wire pigtails and five green wire pigtails. This wire needs to go to the common screw. Turn off the power to the circuit at the breaker panel. Pick the diagram that is most like the scenario you are in and see if you can wire your switch.
Take a closer look at a 3 way switch wiring diagram. Connect the remaining white wires and ground the switch to the switch box. A 3 wire cable runs between sw1 and sw2. Connect the wiring at switch 1 attaching the black wire from the power source to the switchs labeled common terminal. Connect the red and black wires from switch 2 to the remaining terminals. Turn the power off at circuit breaker.
If you are changing an existing triple switch mark the wire going to the common screw. The source hot is spliced to the black wire running between the lights and at the last light it is spliced to the black wire running through to the common on sw1 it does not connect to the light fixtures. Three way switch wiring where power goes directly to the light. Three way switch wiring where power connects to first switch and then the light. Cut three six inch lengths of 14 solid thhn black. Strip all three wires with wire strippers.
The first step in any electrical project is to make sure there is no. With these diagrams below it will take the guess work out of wiring. Before you can install your new three way switch youll need to put an. How to wire three switches in a gang box. How to wire 3 way light switch step by step step 1. 3 way switch wiring diagram.
The common terminal should be marked on the back of the old switch. Cut five six inch lengths of 14 solid. This might seem intimidating but it does not have to be. Install the correct electrical boxes. A 3 wire cable runs from l1 to l2 and 2 wire cable runs from there to the first switch.
Gallery of How To Wire 3 Switches
