buzzing noise from electric ceiling lights?

28 Apr 2021
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United Kingdom
can any one advise me why my dimmable triple candle bulb ceiling light makes makes a slight buzzing sound when on?
its a dimmable light fitting and whether its up high or low it still makes the same quiet buzzing sound when on,but no noise
when switched off.
thanks john
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Are the fitting, dimmer module and lamps compatible with each other?

A slight buzz is normal.
maybe thats why theres a noise then,its made the noise for years now and we've just ignored,but ive just joined this site and thought i'd ask this question?
i dont know about compatable,i put on a double dimmer switch years ago, controlling upstairs and downstairs lights,then my wife decided she wanted her moms old treble candle bulb light fitting,so i attached it and it worked right away,so when you ask ,is it compatable,all i can say is,it works,and i had to replace the dimmer switch 3 months ago ,it stopped dimming,and i purchased exactly the same switch put it on and everything worked correctly again,but still slight buzzing.
so i suppose it rules out the switch being a problem?
thanks again john
Cheapo dimmer switches make buzzing noises.

Better ones designed specifically for LED lighting do not.
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