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Thread: Help with the most correct dimmer to use.

  1. #1
    Junior Member
    Join Date
    Aug 2022
    Posts
    1

    Help with the most correct dimmer to use.

    I am having difficulty with determining the most practical dimmer to use and could really use some help from the Community.

    I have been asked to install dimmable LED tubes in an office environment. Each office has four fixtures, with four bulbs each. I am bypassing the ballasts and rewiring the tombstones.

    So, I have 16 tubes rated at 14.5 watts, which equals 232 watts.

    In the first office I used a dimmer rated for 250 watts for LED. However, it has a slight hum, which is annoying.

    Any ideas on which dimmer I can use that will not hum?

    Thanks!

  2. #2
    Senior Member
    Join Date
    Oct 2013
    Posts
    2,374
    What bulbs/drivers are you using? What dimmer are you using?

    Phase dimmers work by cutting the AC sine wave. Your bulbs/drivers may need a reverse phase dimmer.
    Convergence Technologies Raleigh, North Carolina
    www.convergenceusa.com

  3. #3
    Lutron Technical Support
    Join Date
    Jan 2022
    Posts
    15
    Lutron does not currently test Type A or B TLEDs for compatibility with their dimming controls. The best bet is to reach out to the lighting manufacturer for a list of compatible dimmers and test results to ensure you choose the dimmer that is most compatible.

    An alternative is using Type C TLED retrofits which utilize a Lutron driver. More information can be found here: https://www.lutron.com/TechnicalDocu...Whitepaper.pdf

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