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Do dimmer switches get warm

Updated: 9/18/2023
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11y ago

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Almost all dimmer switches get warm with loads of 60+ watts. Some new ones are transistorized and there is little heat produced for their load range. If yours seems warmer than normal it could be arcing, listen for a buzz or hum. Is the heat and noise consistent? If not it needs replaced. Some very old dimmer switches had resistors in them and required a heat sink (Aluminum comb) These worked but were unstable and caused many bad situations. If you are not sure take a picture of it to your hardware store, they can identify it.

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