Leviton 3-Way Dimmer Switch Installation: Step-by-Step Guide

Leviton 3-Way Dimmer Switch Installation: A Step-by-Step Guide

Are you looking to upgrade your home's lighting with a Leviton 3-way dimmer switch? This comprehensive guide will walk you through the process, ensuring a safe and efficient installation. Remember, safety first! Always turn off power at the circuit breaker before starting any electrical work.

Understanding Your Wiring

Before you begin, it's crucial to understand your current wiring setup. A 3-way switch controls lights from two different locations. Typically, you'll have three wires: two travelers (black and red) and a ground (green or bare). If your wires are not color-coded, you may need to perform a continuity test to identify them.

Gather Your Tools and Materials

  • Leviton 3-way dimmer switch
  • Screwdriver (flathead and Phillips)
  • Wire stripper
  • Needle-nose pliers
  • Wire connectors (wire nuts)
  • Electrical tape
  • Voltage tester

Preparation: Turn Off Power and Remove the Old Switch

First, turn off power to the circuit at the circuit breaker. Use a voltage tester to ensure the power is off before proceeding. Remove the switch cover plate and unscrew the old switch from the electrical box.

Leviton Smart Switch 3-way Wiring Diagram Leviton Wiring Switch Timer ...

Identify and Connect the Wires

With the old switch removed, you'll see the wires. Connect the ground wire (green or bare) from the dimmer switch to the ground wire in the electrical box. Twist the wires together and secure them with a wire connector. Wrap the connection with electrical tape for added protection.

Next, connect the black and red traveler wires to the dimmer switch. The specific connections will depend on your switch model. Consult the manufacturer's instructions for your Leviton switch. Typically, one traveler wire will connect to the 'Common' terminal, and the other will connect to one of the 'Traveler' terminals.

Install the Dimmer Switch

Once all wires are connected, gently push the dimmer switch into the electrical box. Secure it with the provided screws. Replace the switch cover plate.

Wiring a Leviton 3 Way Dimmer Switch: A Step-by-Step Guide

Test Your New Dimmer Switch

Turn the power back on at the circuit breaker. Test your new dimmer switch by toggling it on and off from both locations. The light should dim smoothly with the new Leviton 3-way dimmer switch.

Troubleshooting Common Issues

Issue Solution
Light doesn't turn on Check all wire connections. Ensure power is on at the circuit breaker.
Light flickers or dims inconsistently Ensure all wires are securely connected. Check for any loose connections.

Reference

INSTALLATION INSTRUCTIONS - Leviton

The Decora DDM06 dimmer is not compatible with standard 3-way or 4-way switches. ... 3-Way Wiring with DD00R Matching Remote. (w/LEDs) Application: Matching ...

Leviton Smart Switch 3-way Wiring Diagram Leviton Wiring Switch Timer ...

Leviton Smart Switch 3-way Wiring Diagram Leviton Wiring Switch Timer ...

Reference

How to Install a 3-Way Dimmer Switch | Leviton Decora ... - YouTube

Jun 22, 2020 ... Learn how to install a standard Leviton dimmer (DSL06 Decora Slide Dimmer) in a 3-way application. This step-by-step guide covers ...

Wiring a Leviton 3 Way Dimmer Switch: A Step-by-Step Guide

Wiring a Leviton 3 Way Dimmer Switch: A Step-by-Step Guide

Reference

How To Install A Decora Smart® 3-Way Switch/Dimmer ... - Leviton

This video demonstrates how to install a Leviton Decora Smart or Decora Digital 3-way Switch or Dimmer (such as the DW6HD) in a 3-way setup. It covers ...

Wiring a Leviton 3 Way Dimmer Switch: A Step-by-Step Guide

Wiring a Leviton 3 Way Dimmer Switch: A Step-by-Step Guide

Reference

How To Install 3-Way Dimmer Switches for Pot Lights. DIY - YouTube

Aug 1, 2024 ... ElectricalWiring #DimmerSwitch #Leviton #Potlights #DIY #howto This video shows how I installed two 3-way dimmer switches in my house.

A clear wiring diagram for a Leviton 3-way dimmer switch

A clear wiring diagram for a Leviton 3-way dimmer switch

Reference

Single Pole (One location) or 3-Way (Multi-location ... - Leviton

For new installations, wire a test switch before installing dimmer. • Total ... INSTALLATION INSTRUCTIONS. IMPORTANT : For 3-Way applications, note that ...

How To Install Leviton Dimmer Switch at Luke Earsman blog

How To Install Leviton Dimmer Switch at Luke Earsman blog

Reference

Leviton SureSlide 6674 installation guide - 1000Bulbs.com

Use only one (1) dimmer in a 3- or 4-way circuit. The switch(es) will turn the light on at the brightness level selected at the dimmer. • Use with ...

Leviton 3 Way Dimmer Switch Wiring Diagram

Leviton 3 Way Dimmer Switch Wiring Diagram

Reference

Connecting a Leviton 3-Way Dimmer Switch to new 3-Way Circuit

Aug 1, 2019 ... The .pdf instructions you provided shows this clearly in Step 5b. Also, under 'Warnings and Cautions' at the top-right side of the instructions, ...

Leviton 3-way Switch Troubleshooting » Wiring Work

Leviton 3-way Switch Troubleshooting » Wiring Work

Reference

TSL06-English.pdf - Leviton

Use only one (1) dimmer in a 3 or 4-way circuit. The switch(es) will turn ... Installation is complete. Step 8. For Technical Assistance Call: 1-800-824-3005 ( ...

Leviton 3 Way Dimmer Switch Installation » Wiring Diagram

Leviton 3 Way Dimmer Switch Installation » Wiring Diagram

Reference

How to Install a 3-Way Dimmer Switch (In Under 6 Minutes!) - YouTube

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 ...

Leviton Dimmer Switch Wiring Diagram 3 Way - Wiring Digital and Schematic

Leviton Dimmer Switch Wiring Diagram 3 Way - Wiring Digital and Schematic

Reference

How to Install Leviton Decora Smart 3-Way Switch & Dimmer (Step ...

Feb 26, 2020 ... ... Leviton Decora Smart Wi-Fi Dimmer (DW6HD) Leviton Matching Dimmer Remote (DD00R) Important Safety Note: Always follow the wiring instructions ...

Leviton Light Switch Installation Instructions | Shelly Lighting

Leviton Light Switch Installation Instructions | Shelly Lighting

Reference

6674N - Leviton

If installing the LED Slide Dimmer in Wallbox 2 use the 3-Way Load Side wiring diagram. 2. Wire device. Work on one connection at a time, and connect wires as ...

Leviton 3 Way Dimmer Switch Wiring Diagram

Leviton 3 Way Dimmer Switch Wiring Diagram

Reference

How To Install 3 Way Leviton Smart Switch (Gen 2) 2021 - YouTube

Apr 23, 2021 ... Leviton Smart Dimmer Switch: https://amzn.to/3vlm4Zb Favorite Smart Home Devices: https://www.amazon.com/shop/onehoursmarthome Leviton ...

Leviton 3 Way Switch Wire Diagram - Wiring Flash

Leviton 3 Way Switch Wire Diagram - Wiring Flash

Reference

INSTALLATION INSTRUCTIONS - Leviton

The Decora® DDL06 dimmer is not compatible with standard 3-Way or 4-Way switches. It must be used with a Decora® digital remote for multi-location control ...

Leviton 3 Way Dimmer Switch Wiring Diagram

Leviton 3 Way Dimmer Switch Wiring Diagram

Reference

Leviton Presents: How to Install a Decora Rocker Slide Dimmer

Oct 1, 2019 ... Installing a Dimmer? · The BIGGEST Mistakes DIYers Don't Know They Are Making When Wiring Light Switches | How To · The Best 3 Way Switch ...

Wiring a Leviton 3 Way Dimmer Switch: A Step-by-Step Guide

Wiring a Leviton 3 Way Dimmer Switch: A Step-by-Step Guide

Reference

Single Pole and 3-Way Wide View Motion Activated Light ... - Leviton

WIRING SWITCH: Connect wires per WIRING DIAGRAM as follows: • Green or bare copper wire in wall box to Green terminal screw. • One pigtail wire to the Black ...

Wiring For Leviton 3 Way Switch at Andy Summer blog

Wiring For Leviton 3 Way Switch at Andy Summer blog

Reference

How to Wire a 3-Way Light Switch: Step-by-Step Installation | Leviton

Apr 4, 2017 ... Learn how to install and wire a Leviton 3-way light switch with this easy-to-follow guide. We demonstrate the process for Leviton Decora ...

Leviton Light Switch Installation Instructions | Shelly Lighting

Leviton Light Switch Installation Instructions | Shelly Lighting

Reference

How to Install Leviton SureSlide (6674) & IllumaTech ... - YouTube

Jan 11, 2017 ... Comments · How to Install Leviton Decora Digital DSE06 Low Voltage Dimmer (Single Pole) · How To Install 3-Way Dimmer Switches for Pot Lights.

Leviton 3 Way Dimmer Switch Wiring Diagram

Leviton 3 Way Dimmer Switch Wiring Diagram

Reference

LED / CFL / INCANDESCENT SLIDE DIMMER - Leviton

INSTALLATION INSTRUCTIONS. Tools needed to install your Dimmer. Slotted ... Use only one (1) dimmer in a 3-way circuit. The switch(es) will turn the ...

Leviton 3 Way Dimmer Switch Installation - TanyaBro.Com

Leviton 3 Way Dimmer Switch Installation - TanyaBro.Com

Reference

How to Replace a 3-Way Switch with Dimmer: Expert Guide

Aug 3, 2025 ... Leviton Decora Smart Gen 2 Dimmer Switch Installation Guide ... Decora Smart dimmers often face wiring confusion and compatibility issues with ...

Leviton Dimmer Switch Wiring Diagram Guide and Tips

Leviton Dimmer Switch Wiring Diagram Guide and Tips

Reference

How to wire new 3-way dimmer? : r/electrical - Reddit

Oct 14, 2024 ... I'm struggling here with how to swap out this 3-way light switch: with this new Leviton dimmer: The tag on the first red wire says: "This ...

electrical - Connecting a Leviton 3-Way Dimmer Switch to new 3-Way ...

electrical - Connecting a Leviton 3-Way Dimmer Switch to new 3-Way ...