Dimmer Installation On A 3 Way Switch

By | July 24, 2022



If you're a homeowner or an aspiring DIY-er looking to upgrade your home's lighting, you're probably familiar with the concept of a 3 way switch. This type of switch allows you to control a single light from two different locations, such as the top and bottom of a staircase, or the two ends of a room. Installing a dimmer on a 3 way switch adds even more control and convenience to your home's lighting, giving you the ability to adjust the brightness in each location to suit your needs.

Installing a dimmer on a 3 way switch is not as difficult as it may seem. Like any electrical work, it's important to make sure that you turn off the power at the circuit breaker before beginning. Once that's done, locate the two light switches that control the fixture, and use a voltage tester to ensure that neither box is live. Next, you'll need to remove the switch plates and unscrew the existing three-way switches. Determine which switch is the common terminal, as this is the one you'll be replacing with your new dimmer.

Finally, connect the wires to your dimmer switch in the same manner as you removed them from the old switch. Tighten all screws firmly, and install your new dimmer. Then carefully tuck excess wiring back into the wall's junction box, and put the switch covers back on. With these steps completed, you can turn the circuit breaker back on and enjoy the convenience of your new dimmer! With careful attention to safety and following the manufacturer's instructions, you can easily install a dimmer on a 3 way switch and take your home's lighting to a whole new level.


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