Replacing a dimmer may seem complicated, but with the right preparation, it’s quite doable. As you know, a properly functioning dimmer is essential for cozy and energy-efficient lighting. Need a new dimmer or switching to LED? Check out our LED dimmers for a suitable upgrade.
Replace your dimmer if:
the knob sticks or doesn’t turn,
the lights don’t dim properly,
the dimmer isn’t LED-compatible,
you’re switching to a smart home system.
New (LED) dimmer
Voltage tester or multimeter
Screwdriver
Wire stripper (optional)
Electrical tape (optional)
Go to the fuse box and switch off the circuit that powers the dimmer. Use a voltage tester to confirm that no power is present.
Remove the cover plate and knob.
Unscrew the dimmer from the wall box.
Gently disconnect the wires. Make a note or photo of their positions.
Strip the wires if needed.
Connect the wires to the correct terminals on the new dimmer: usually L (live) and the ~ symbol for the lamp wire.
Secure the dimmer back in the wall box.
Mount the cover plate and reattach the knob. Ensure everything is properly aligned and secure.
Restore power via the fuse box. Test the dimmer: does the light turn on and dim smoothly? No buzzing? Then the job is done right.
Always use a dimmer that matches your bulb type.
For LED lights, trailing-edge dimmers are usually best.
Want smart lighting? Choose a smart dimmer or module.
Replacing a dimmer is safe and easy with the right tools. Choose the right type for your setup and enjoy adjustable lighting again.
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