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Thread: Buzzing noise at GFCI outlet

  1. #21
    Senior Member
    Join Date
    Nov 2014
    Posts
    233
    Quote Originally Posted by tcyosh View Post
    This device is becoming more of a hassle than it may be worth. Why only 6 amps when going from a regular on/off switch to a "smart" switch? Should I have had a gfci at the breaker with my old regular switch? I guess I don't understand what the difference is going from the regular switch to a smart switch.
    Its the GFCI outlet in the garage that makes it such a pain. You did not need a GFCI breaker because the power with a regular switch was either on or off. Smart switches do not fully turn off the power to the devices the control, the just limit the current. Using a smart switch instead of a dimmer may work, but Lutron never chimed in to say if the Caseta smart switches are listed for control of a GFCI outlet, its probably not because of the 6 amp limitation.

    A regular switch handles the current and the heat better because it is just a simple physical connection that is open or closed. For any smart switch to work power needs to flow through it, the more power that flows the more heat that is generated, the larger the components need to be and so on. Since most items use less than 6 amps it is normally a non issue. The problem comes when you have an outlet that could be used for anything...

    Moving the GFCI protection to the breaker is better since we know the outlets will be GFCI protected and we know the GFCI device will not be effected by the smart switch.
    RadioRa2 PSP Level 2 Platiunum
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  2. #22
    Junior Member
    Join Date
    Oct 2016
    Posts
    11
    I received the smart on/off switch today. I removed the dimmer and replaced it with the new switch. No more buzzing at the gfci outlet!. I do have quite a bit of Halloween lights plugged in to the post light outlets and all are functioning. The true test will be with Christmas. If I have any issues, I will invest in having the gfci moved to the breaker. Thanks all for you help!!!!

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