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Troubleshooting Under Cabinet Puck Lighting

installed your typical wired puck style under the cabinet lights 6 mos ago, and they work fine. They are controlled via dimmer…

Troubleshooting Under Cabinet Puck Lighting
Background: Katie, a Homeowner from Fairfax VA

Question: My husband installed your typical wired puck style under the cabinet lights 6 mos ago, and they work fine. They are controlled via dimmer/on/off button that is also under our cabinet. However, I bumped the ledge of the cabinet that is adjacent to one of the lights with a dish last night, and ALL the lights went out. I noticed the spring in the bulb(Xenon)broke in the light near the area I bumped , so replaced the bulb (tried 2 different ones), but the lights still do not come on with the dimmer. We’ve also tried unplugging/plugging back in and I checked to be sure none of the other bulbs were burned out. Nothing is working. Any clues? Or, any ideas why when one goes out they all go out? Thanks.

Dave’s Reply:

Thanks for your electrical question Katie.

The Following links will assist you with your electrical question:

Dimmer Switch Wiring

Lighting For The Home
lighting Electrical Codes

Electrical Wire for the Home

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  1. Al says:

    I have 1 puck light that stopped burning. However, the bulb looks fine and checks out with an ohm meter. What could be wrong?

    • Dave Rongey says:

      Hi Al,
      It sounds like the light bulb is fine, so I would now focus on the wiring, and test the voltage to make sure it is getting to the puck light.
      I hope this helps,


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