With these diagrams below it will take the guess work out of wiring. The three way switch is a variation of the standard single pole switch which controls a light only from one location.
3 Way Switches Electrical 101
Three way electrical switch. 300 coupon applied at checkout. So what you should see if you have correct 3 wire electrical cable romex is a black power white neutral and now a 3rd red wire. Its likely youll also need to replace the. Either way complete these five steps for 3 way light switch wiring. Pick the diagram that is most like the scenario you are in and see if you can wire your switch. Save 300 with coupon.
When wiring a 3 way switch first screw the terminal screws of the new switch until they are difficult to turn. Connect the two remaining traveler wires to the two brass or light colored. 3 way smart switch gosund wifi light switch works with alexa and google home schedule timer neutral wire required single pole and 3 way installation no hub required etl and fcc listed 1 pack 46 out of 5 stars 58. Front and back of two identical three way switches. Interested in a 4 way switch wiring diagram. A third type is the four way switch which is used in conjunction with two three way switches to control lighting from more than two locations.
For example they can be arranged so that the feed cable runs to the first three way switch then to the light fixture box then to the second three way switch. The key to wiring 3 way switches the power feed and the switch leg leading to the fixture s typically one at each switch location are attached to the screw terminal found at one end of the switch by itself. Regardless of what 3 way switch wiring diagram youre following youll need to use a 3 wire cable to connect the two 3 way light switches. This terminal is usually identified by a darker colored screw. Take a closer look at a 3 way switch wiring diagram. Connect the wire marked common to the black or dark colored screw.
Three way switches can be wired in a number of different ways depending on where they are located relative to the light fixture in the circuit cable runs. Turn off the correct circuit at your electrical panel. The other three way switch will have the load wire connected to the copper or black screw. Connect the ground wire to the green screw. The ground wire goes through both switch boxes and the ceiling light box and it is connected at all junctions except the light with a pigtail short piece of wire and wire connector. Add an electrical box for the second 3 way switch in the basement.
Its likely youll also need to replace the. A voltage tester is good for testing the live wires with neutral andor earth ground. This configuration may be used in open plan homes or in large kitchens or great rooms where a central bank of lighting fixtures might be controlled from more than two entry points. Two three way switches control one light with the electric power coming through the first switch flowing to the second switch and then to the light fixture. This might seem intimidating but it does not have to be. Note the one black screw on each of the above three way switches.
Gallery of Three Way Electrical Switch
