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Electrical Wire and Cable

Why Fluorescent Lamps May Not Be Bright

My kitchen fluorescent lights have dimmed down to the point where we can barely see that there’s electricity even getting to them…

Fluorescent Light Fixture
Question: Why is our fluorescent light fixture dim?

Thanks in advance,

This electrical question came from: Dave, a Homeowner in Maine.

Dave’s Reply:
Thanks for your electrical question Dave.

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FAQs Frequently Asked Questions and Comments

4 Responses to “Why Fluorescent Lamps May Not Be Bright”
  1. Avery says:

    None of the 4 fluorescent bulbs were working in my light fixture so I replaced both ballasts, and put the same bulbs back in. When I turned on the fixture the lamps glowed dim. Did I ruin the ballast by putting the same bulbs back in for less than five minutes? I put four new bulbs in the fixture but they are still dim.

    • Dave Rongey says:

      Hi Avery,
      Installing the original lamps with new ballasts for a short time should not have caused the ballasts to be ruined. Double check all of the wiring connections to make sure they are correct and the lamps are properly installed.
      I hope this helps to get your light fixture working,

  2. Mike Heffernan says:

    My kitchen fluorescent light has 8 F40 T12’s in them. I replaced all the bulbs. When I turned them on 4 were working right and 4 are just dim and stay dim. No flickering. There are 2 sides with 4 bulbs on each side that have 4 different fixtures. Each fixture has 2 bulbs. Does each separate fixture have a ballast, or are there 2 ballast for all 4?

    Confused in Spring,Texas Mike.
    Thank you in advance.

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