How To Wire A Three Way Switch With Multiple Lights

The most important rationale is that there are several ways that a three way switch can be wired.
How to wire a three way switch with multiple lights. Wiring a 3 way switch isn t that difficult. This is the existing white neutral wire coming into the box and the new white neutral wire from the 3 wire romex you re going to use to connect the other 3 way switch you will install in a minute. 3 way switch multiple lights between switches below i ve shown two variations of wiring multiple lights between 3 way switches. This option actually requires you to run two romex lines between the lights.
You ll probably run that cable through the attic. In other words a 3 way switch is made up of one light that s controlled by two separate switches. The white or neutral wires bypass the switch so the one coming from the power source and the one from the light get spliced and capped in the box. Two 2 wire cables c3 and c4 run between the fixtures and a 3 wire cable c2 runs from the second fixture f2 to the second 3 way switch sw2.
Add an electrical box for the second 3 way switch in the basement. Wiring a 3 way switch with multiple lights in this circuit two light fixtures are shown but more can be added by duplicating the wiring arrangement between the fixtures for each additional light. 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. Turn off the correct circuit at your electrical panel.
How to wire 2 way light switch in this video we explain how two way switching works to connect a light fitting which is controlled with two light switches. Option 1 is for power into the first switch wire to the lights and lastly wire from the light to the other switch. Connect the black wire to the black wire on the light the white wire to the white one on the light and the bare one to the ground wire or the ground screw. If you want to add a fixture you ll need an extra cable in the box that goes to that fixture.
Either way complete these five steps for 3 way light switch wiring. To wire a 3 way light switch you ll need 2 3 way light switches 2 2 wire non metallic cables 1 3 wire non metallic cable and 2 6 inch grounding wires. The hot source is connected to the common terminal of sw1. First run a 2 wire cable from the wall power to the black screw on 1 of the switches.
Wire nut the neutral white wires together. The answer to how it works is to have an extra hot wire that runs between the two switch boxes.