Then a 4 wire cable going between the two 3 way switches and then a 3 wire cable going from the switches to the load. You will see a black screw and two gold screws on the switch.
3 Way Switch Wiring Diagram
How to wire a 3 way switch. Connect the two remaining traveler wires to the two brass or light colored screws. Run 2 2 wire conductors between the two boxes. When wiring a 3 way switch circuit we will be using a 3 wire cable known as romex coming from the source such as the breaker box. When wiring a 3 way switch first screw the terminal screws of the new switch until they are difficult to turn. 3 way switches involve more cables so you will need a little more room to work. Connect the ground wire to the green screw.
Connect the wire marked common to the black or dark colored screw. Install larger electrical boxes. The two hot wires of three wire cable connect to a pair of brass colored traveler terminals on each switch. Install the correct electrical boxes. How to wire 3 way light switch step by step step 1. You will likely need larger boxes than you already have if you are replacing a regular single pole switch.
Strip all three wires with wire strippers. The black screw is the common which we identified in the steps above as the switch leg or hot power source. 3 way switch wire diagram power to light switch in this diagram the incoming hot wire attaches to the first switchs common dark colored terminal. The fixtures hot wire connects. Take your three way switch. Each 3 way switch in these examples are controlling the power source to the same load.
Turn the power off at circuit breaker. Before you can install your new three way switch youll need to put an. The first step in any electrical project is to make sure there is no.
Gallery of How To Wire A 3 Way Switch
