How to Wire a 3 Way Dimmer Switch

It is easy to think that wiring a 3-way dimmer switch will be complicated, however it can be made into a simple and straightforward job. With the right tools, instructions, and understanding, anyone can learn how to wire a 3-way dimmer switch correctly. This guide is designed to provide detailed instructions on how to wire a 3-way dimmer switch, from start to finish.

Tools Needed

Before starting, it is always important to make sure that you have all the right tools for the job. The following tools are necessary in order to successfully wire a 3-way dimmer switch:

Wire cutters/strippers

Screwdrivers

3-way dimmer switch

Non-contact voltage tester

Electrical tape

Appropriate size drill bit

Step by Step Process

Now that you have the right tools for the job, you are ready to begin installing your new 3-way dimmer switch. Follow these steps to successfully wire your switch:

Turn off the power to the circuit you are working on. Make sure the power is off by using a non-contact voltage tester.

Remove the existing cover plate and screws from the switch box and set aside.

Unscrew the existing switch from the switch box and disconnect the wires from the switch. Use wire strippers to strip the ends of the wires in order to expose the bare copper.

Attach the ground wire from the switch box to the green or bare copper grounding screw of the dimmer switch. Tighten the screw firmly.

Connect each black wire from the switch box to one of the black terminals on the switch. The remaining wire from the switch box will attach to the common terminal on the switch.

Reinstall the dimmer switch into the switch box and secure with screws.

Reinstall the cover plate and turn on the power.

Test the switch to make sure everything is connected correctly.

Conclusion

Installing a 3-way dimmer switch is not as difficult as one may think. If you have the right tools and follow the steps outlined in this guide, you should have a successful installation. As always, it is important to make sure that the power is turned off before beginning any electrical work.

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