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Thread: Low hi-pitch static noise from dimmer switch PD-6WCL even without the bulb

  1. #1
    Junior Member
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    Mar 2019
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    3

    Low hi-pitch static noise from dimmer switch PD-6WCL even without the bulb

    Anybody have problem with a very low hi-pitch static noise within 3-4 ft of dimmer switch PD-6WCL? The noise is from the dimmer switch itself, even without the bulb. The wiring is correct. Sometimes I am even able to here it at the opposite corner of a quite room. It has been working fine for a week now. I am just bother by the noise every time I walk in the room. Anybody have a solution?

  2. #2
    Senior Member
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    Oct 2013
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    2,587
    Send it back. There should be no audible noise coming from the dimmer.
    Convergence Technologies Raleigh, North Carolina
    www.convergenceusa.com

  3. #3
    Quote Originally Posted by tomlong1790 View Post
    Anybody have problem with a very low hi-pitch static noise within 3-4 ft of dimmer switch PD-6WCL? The noise is from the dimmer switch itself, even without the bulb. The wiring is correct. Sometimes I am even able to here it at the opposite corner of a quite room. It has been working fine for a week now. I am just bother by the noise every time I walk in the room. Anybody have a solution?
    I agree that there should be no noise, unless.....

    What is your PD-6WCL hooked up to...? You say you removed the bulb. But, if that fixture is a low voltage fixture using either a Magnetic or Electronic Low Voltage Transformer, then it could result in the transformers, dimmer or both giving off a high pitched squeal. If this is the case, then you really need to get the appropriate dimmer on there. The PD-6WCL won't last. A PD-5NE can do both MLV and ELV. (It's usually the ELVs that result in the squeal. MLVs usually create a 120Hz buzz)

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