3 way light switch instructions - IOT Wiring Diagram

Learning to install and use a three-way light switch is one of the most basic skills needed for electrical wiring. Not only will it allow you to control the lighting in more than one place, but it also adds convenience and value to your indoor spaces. Properly installed three-way switches can last for years, so it's important to make sure you know how to do the job right.

The first step in installing a three-way light switch is to turn off the power to the circuit you'll be working on. This can be done either at the breaker box or at the fixture itself. When the power is shut off, remove the existing switch and disconnect any wires attached. Next, you'll need to attach the new switch by connecting the three terminals, each labeled "common”, "line” or "load”. Secure the wires to the switch using the screws provided.

Before turning the power back on, you should test the switch to make sure it's working correctly. To do this, flip the switch and observe the lights. If they don't come on when you flip the switch, it means that the connection of the wires is incorrect. Once you have a good connection, you can turn the power back on and enjoy the convenient control a three-way switch provides. As you gain experience, you might want to expand your knowledge by looking into other types of switches, such as four-way switches for even more complex lighting configurations.

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