I agree with buying a voltage detector. But, I would make sure that all the of circuit breakers are turned on. I would check other light switches near or in the kitchen because it is unlikely that the affected lights are on a dedicated circuit. Then, I would carefully remove the light switch cover plate and pull the light switch out from the wall to make sure that a wire is connected to each side of the switch. If so, then the problem is most likely a defective light switch. It's an easy DIY project, if you feel comfortable doing electrical work.
Last edited by retiredguy123; 01-01-2020 at 02:39 PM.
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