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In my bathroom, ive got 2 switches that control the 5 bulb fixture over the sink. I replaced one with a 3-way switch dimmer, but not the other. When the dimmer is at the lowest setting, everything is fine, but when I raise the brightness, its flickers and buzzes. Where did I go wrong?

(pictured: new switch on left, old on right).
Why is my new 3 way dimmer switch causing my bulbs to flicker at high brightness? 20201130_205742 - EletriciansForums.net
 
if the lights are LED it could be that the dimmer is not compatible with LEDs.
 
what's the min. and max. wattage of the dimmer?
 
that's the max. does it show min?
 

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