Three Way Switch Wiring Two Lights: A Comprehensive Guide

Often times homeowners are required to wire two lights to a three way switch. This is not intended as an easy task, but can be done if you have the right guidance and knowledge. Knowing how to wire two lights to a three way switch is beneficial in understanding the principles behind electrical wiring and can help you determine where repairs need to be made if your lights and switches aren't working correctly. In this article, we will provide a comprehensive guide on wiring two lights to a three way switch, so that you can understand the intricacies of what goes into the process and become more prepared to troubleshoot any future electrical issues.

What is a Three Way Switch?

A three way switch is a type of electrical switch most commonly used in home wiring systems. This type of switch allows for a connection to be made from multiple locations, meaning that a single source of electricity can be used to control more than one light or appliance. It also allows for the user to control a power supply from various points in a home, like when a switch will control a light fixture across multiple rooms in the home.

Tools Needed to Wire Two Lights to a Three Way Switch

Before embarking on this wiring project, make sure you assemble the tools and materials needed. You'll want to make sure you have the following items:

Electrical tape

Wire cutters

Wire strippers

Flathead screwdriver

Non-metallic wire sheath

Steps to Wire Two Lights to a Three-Way Switch

Now that you have all the necessary equipment, you can begin wiring two lights to a three way switch. Here are the steps:

Turn off the power supply to the circuit you are working on. Safety first!

Remove the cover plate from the three way switch. Use a flathead screwdriver to do this.

Lift out the old switch and examine its wiring. Make sure to note the colors of the wires connected to the switch.

Use your wire cutters to remove the old wires.

Take your wire strippers and strip down each end of the non-metallic sheath. Strip about three quarters of an inch of insulation off each end.

Run the new wires through the sheath, making sure to twist the ends together.

Connect the white wires to the silver screws, the ground wires to the green screws and the black wires to the brass screws.

Secure the screws and put the switch back in the box.

Put the cover plate back on the three way switch.

Connect the other two lights to the circuit in the same manner, using the same wiring colors.

Turn the power back on to the circuit and test the lights.

Conclusion

Now you know how to wire two lights to a three way switch. With this sharpened knowledge, you can more confidently and quickly make repairs or adjustments to your electrical system. Even if wiring isn't in your skillset, with the right guidance you can still make the job easier and safer. All it takes is a little bit of effort. Good luck!

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