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I noticed that when i use the plugs in the wall like by plugging my laptop, it turns my dimmer lights on, what may have the cause of this problem and how can i fix it ? please help

  • Can you give us photos of the insides of the switch, light, and receptacle boxes involved? I suspect some stuff got wired in series when it shouldn't have here... – ThreePhaseEel Jan 4 '17 at 1:23
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    What kind of dimmer is it? Is there a remote control? Or does it have a load sensing control like X10 dimmers often have? – Tyson Jan 4 '17 at 2:43
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    is it a touch dimmer? – Ed Beal Jan 4 '17 at 2:53
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If it's a remotely controlled dimmer, it's likely that RF interference from the switching power supply is causing the issue.

You may need an AC mains RF filter, AKA a noise filter, and possibly an RF choke (ferrite core filter) for the line cord, cord to the laptop, or both. You can probably find them in a local hardware store or electronics shop, as well as online.

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