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How to Pair a Dimmer with Decorative Lights

Pairing your decorative lights with a dimmer adds instant versatility, giving you the option of brightness or a cozy evening glow.

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Written by Emma Sheldon
Updated today

Why Use a Dimmer?

  • Flexible Ambiance: Adjust your patio or decorative lights to suit any event, from lively parties to relaxing nights.

  • Energy Savings: Lower brightness means lower electricity use.

  • Longer Bulb Life: Dimming often extends the lifespan of your lights.

  • Reduced Maintenance: Less wear on bulbs can mean fewer replacements.


1. Confirm Your Lights are Dimmable

Not all decorative lights work with dimmers. Before buying or installing, check compatibility:

  • Dimmable with BSL: G30s, G20s, C9s, C7s, Edison bulbs, and Spiral bulbs.

  • Not Compatible: Fluorescent, CFL, and most mini-light strands or strings.

  • LED Technology: SMD chips are typically dimmable; DIP chips are not.

Warning Signs Your Lights Aren’t Dimmable:

  • Buzzing or humming noises

  • Flickering or pulsing

  • Lights going out before you reach minimum brightness

  • Some lights not responding to the dimmer or dimming unevenly

2. Choose the Right Dimmer

There are several dimmer options to suit your setup:

  • Hardwired Dimmer Switch: If your outlet is already controlled by a dimmable switch, just plug in and enjoy.

  • Plug-in Dimmer: No hardwired switch? Pick up a plug-in dimmer from any hardware store—available in slider, rotary, or button styles, for both indoor and outdoor use.

  • Tips for Outdoor Installations:
    - Choose a dimmer with an IP65 (or higher) rating for weather resistance.
    - Place your dimmer out of direct rain and sun for the longest lifespan.

3. Adjust the brightness to suit your atmosphere

Adjust brightness to match the mood—full power for festive gatherings, or soft, dimmed light for an intimate dining setup. Lower settings save energy and help your lights last even longer.


Key Takeaways

Dimmers let you easily adjust the mood, save energy, and prolong your decorative lights’ lifespan. Always check that your lights are dimmable before installing a dimmer.

Use outdoor-rated dimmers for exterior lighting, and protect them from the elements whenever possible. With the right pairing, your patio lights will offer flexible, beautiful illumination for every moment spent outdoors.

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