How to Install a Lutron Diva 3-Way Dimmer Switch: Step-by-Step Guide

Step-by-Step Guide: Installing a Lutron Diva 3-Way Dimmer Switch

Are you looking to upgrade your home's lighting system with a Lutron Diva 3-way dimmer switch? You've come to the right place. This comprehensive guide will walk you through the process, ensuring a safe and successful installation. Let's dive in!

Before You Start: Tools and Materials Needed

Before you begin, make sure you have the following tools and materials on hand:

  • Lutron Diva 3-way dimmer switch
  • Wire stripper
  • Screwdriver (flathead and Phillips)
  • Needle-nose pliers
  • Wire connectors (wire nuts)
  • Electrical tape
  • Wire cutter
  • Non-contact voltage tester

Safety First: Turn Off Power and Test Wires

Safety is paramount when working with electricity. Start by turning off the power to the circuit at your home's main electrical panel. Once you've turned off the power, use a non-contact voltage tester to ensure that the power is indeed off and that the wires are safe to touch.

Wiring a Lutron Diva 3 Way Dimmer

Removing the Old Switch

With the power off and the wires tested, it's time to remove the old switch. Unscrew the switch plate and set it aside. Then, unscrew the switch from the electrical box. You may need to use a flathead screwdriver to release the switch from the box if it's stuck.

Identifying Wires

Before you remove the old switch, identify the wires connected to it. In a 3-way switch setup, you'll typically see two black wires (travelers) and one white wire (common). There may also be a green or bare copper wire (ground).

Wiring the Lutron Diva 3-Way Dimmer Switch

Now that the old switch is out, it's time to wire the new Lutron Diva 3-way dimmer switch. The wiring process is straightforward, but it's essential to follow the correct procedure to ensure safe and proper operation.

Lutron diva 3 way dimmer wiring diagram

Step 1: Connect the Ground Wire

First, connect the ground wire (green or bare copper) to the green terminal on the Lutron Diva switch. If your electrical box is metal, you may also need to connect the ground wire to the box using a screw or wire connector.

Step 2: Connect the Common Wire

Next, connect the white wire (common) to the terminal marked "Common" on the Lutron Diva switch. This wire will provide power to the switch and the light fixture.

Step 3: Connect the Traveler Wires

Now, connect the two black wires (travelers) to the remaining terminals on the Lutron Diva switch. It doesn't matter which terminal you connect each traveler to, as long as they are connected to different terminals.

Step 4: Secure the Wires

Once all the wires are connected, use wire connectors (wire nuts) to secure the connections. Make sure the connections are tight and that there are no loose wires. Then, wrap each connection with electrical tape to ensure a secure and waterproof connection.

Installing the Lutron Diva Switch and Switch Plate

With the wiring complete, it's time to install the Lutron Diva switch and switch plate. First, screw the switch into the electrical box, making sure it's secure and flush with the wall. Then, attach the switch plate, screwing it into place.

Testing the Lutron Diva 3-Way Dimmer Switch

Before turning the power back on, use your non-contact voltage tester to ensure that there are no live wires. Once you've confirmed that the wires are safe, turn the power back on at the main electrical panel. Test the Lutron Diva 3-way dimmer switch by toggling it on and off and adjusting the dimmer to ensure it's working correctly.

Enjoy Your New Lutron Diva 3-Way Dimmer Switch

Congratulations! You've successfully installed a Lutron Diva 3-way dimmer switch. Now you can enjoy the convenience and ambiance of dimmable lighting in your home. If you have any questions or encounter any issues during the installation process, don't hesitate to consult a licensed electrician.

Reference

How To Install a 3 Way Dimmer Switch! Lutron 3 Way ... - YouTube

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Wiring a Lutron Diva 3 Way Dimmer

Reference

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Lutron diva 3 way dimmer wiring diagram

Reference

Diva | 3-Way | Installation Guide Resources - Lutron Support Center

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How To Install a 3 Way Dimmer Switch! Lutron 3 Way Dimmer Switch - YouTube

Reference

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how to install a lutron dimmer switch with 3 wires - Wiring Work

Reference

Diva DVCL-153P Installation Instructions - Lutron Support Center

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How To Install Lutron Diva Smart Dimmer Switch - YouTube

How To Install Lutron Diva Smart Dimmer Switch - YouTube

Reference

Diva Dimmer 3-way Setup : r/Lutron - Reddit

Jan 14, 2023 ... For three way setups with either the Claro smart switch or Diva dimmer plus the Claro accessory switch, the switches are interchangeable and can ...

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Reference

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Reference

Help Wiring my Dimmer Switch - YouTube

... pole application. Lutron Electronics · 5:00 · Installing a Diva Smart Dimmer for the Caséta system in a wired 3-way application. Lutron Electronics · 3:01 ...

Youtube Install Lutron 3 Way Dimmer Switch

Youtube Install Lutron 3 Way Dimmer Switch

Reference

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Sep 24, 2025 ... In this video I'll show you how to install a 3 way dimmer switch. We'll discuss how to disconnect the old switch, how to identify your ...

Step-by-Step Guide to Wiring a Lutron Diva 3 Way Dimmer: Complete ...

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Reference

Diva Dimmer DVRF-6L Installation Instructions - Lutron Support Center

Installation Video Step-by-step instructions on how-to install your dimmer. Select Video Single Pole 3-way / 4-way with switches 3-way / 4-way with Pico Remotes

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Reference

How To Install a 3 Way Dimmer Switch - Lutron - YouTube

Sep 3, 2021 ... ... how to install a Lutron three way dimmer switch. This switch is going on a 4-way circuit (one light controlled by 3 switches). I needed a dimmer ...

Wiring your Lutron Diva dimmer switch: step-by-step guide

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Reference

Lutron Caseta Diva 3-way Application - Devices - Hubitat Community

Sep 29, 2022 ... I want to control one light from two locations. If I install a Caseta Diva Dimmer in one location and a dumb mechanical on-off switch at the other location.

Step-by-Step Guide: Wiring a Lutron 3-Way Dimmer Switch with Diagram

Step-by-Step Guide: Wiring a Lutron 3-Way Dimmer Switch with Diagram

Reference

Diva | Technical Support Videos

How to Install Lutron Dimmers. Installing a ...

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Apr 4, 2026 ... Tired of being blinded by your bathroom lights at 2 AM? In this video, I'm walking you through a simple, high-impact DIY: swapping a basic ...

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Reference

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Jun 27, 2024 ... disconnect light black from s1 · connect light black to s2 copper terminal, which color wire (there aren't any left)? · connect s1 left brass ...

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Reference

Diva | Installation Guide - Lutron Support Center

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Reference

Diva Smart Dimmer 3 Way with Mechanical Switch : r/Lutron - Reddit

Feb 13, 2025 ... If you are using a mechanical switch on the other end the. You tag the common wire (the one on the different color screw) and then need to ...

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Reference

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Reference

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