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Questions and Answers for Feit Electric 4 ft. 15-W G13 Type AB T8 Plug and Play Or T8/T12 Ballast Bypass Linear LED Tube Light Bulb, Daylight 5000K (10-Pack)

Internet #311182655

Model #T4815/850/AB/LED/10

Store SKU #1004685301

  • Energy-efficient LED bulb uses 15W to replace standard 32W bulb
  • Daylight LED tube lamp provides a cool, stimulating light
  • T8 & T12 bulb, ballast compatible or re-wire to bypass ballast

Questions & Answers

15Questions
caret
Q:I see the box reads "No socket replacement necessary when ballast is bypassed." Does this mean these bulbs work with shunted or non-shunted tombstones when ballast is bypassed?
by|Jul 21, 2022
1 Answer
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A:  Thank you for your question , the bypass bulbs work with shunted tombstones

by|Feb 15, 2024
    2 found this answer helpful
    caret
    Q:Can you bypass the ballast
    by|Jul 15, 2022
    1 Answer
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    A:  Thank you for your question, with this type of tube, it is either direct plug-and-play using the existing ballast or with simple rewiring of the fixture to bypass the ballast

    by|Nov 28, 2022
      1 found this answer helpful
      caret
      Q:Will these work when tubes are wired serially? I'm going to use these with the Lithonia 3348 four-foot, two-lamp fixture, in which the two tubes are wired serially, not in parallel. I was told at the store that these bulbs should work with the ballast, and if I bypass the ballast (which means the bulbs will still be wired serially), they should also work. Is this correct?
      by|Apr 1, 2021
      3 Answers
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      A:  I rewired the Lithonia fixtures, removing the ballasts and rewiring them in parallel, and the lights work fine and are quite bright. Also, in two older (35-years) two-bulb fluorescent fixtures, I replaced the older fluorescent bulbs with these LED bulbs (keeping the existing ballasts), and in both of these existing fixtures, one bulb is brighter than the other (even after mounting the bulbs with the Load end on the same side), and the brightest does not seem to be as bright as the bulbs in the rewired fixtures with the ballasts removed.

      by|Apr 6, 2021

        A:  According to the instructions that are provided they would need to be wired in parallel, which is what I did. But it would be worth a try, the worst that would happen is you would burn out the lamps.

        by|Sep 12, 2023
        1 found this answer helpful

        A:  Thank you for your question, if the units are bypass ballast you will be able to wire them in series.

        by|May 1, 2023
          caret
          Q:Do you rewire and remove the ballast?
          by|Jan 4, 2021
          3 Answers
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          A:  I found that they are brighter if the ballasts are removed. Pay attention to the polarity and you will be fine.

          by|Jan 15, 2021

          A:  If your ballast is still working you can simply install the bulbs. If the ballast isn't working you will need to remove the ballast and rewire the fixture. (Although you could replace the ballast, but that's actually just as much work as rewiring the lamp.) For reference, it usually takes me less than an hour to rewire a shop light, and I'm not very fast, as I usually solder and heat shrink insulate the connections instead of using wire nuts. If you rewire, remember to keep all of the tombstones at each end wired together, make one end the "hot" end, the other the "neutral" end. I like to mark the light with "L" (for line) at the end with the black wire, and mark the other end with "N" (for neutral) and the end with the white wire. That way I get the lamps put in correctly. (lamps are noted with L and N)

          by|Jan 30, 2024
          8 found this answer helpful

          A:  Thank you for your question, these bulbs can be used both with or without the ballast.

          by|May 4, 2023
            caret
            Q:I want to replace the fluorescent bulbs in my un-heated and damp (Oregon) shop, will they work? It doesn't get that cold where I live, but sometimes gets below freezing, the fluorescent lights buzz horribly and sometimes won't even come on at that temp. Thanks in advance!
            by|Nov 19, 2020
            2 Answers
            Answer This Question

            A:  Yes they will work in damp environment

            by|Apr 9, 2021

              A:  Thank you for your question. Yes, these lamps will work as replacements for fluorescent tubes, they are rated to work in temps as low as -10 degrees Fahrenheit. With these hybrid lamps you can eliminate/bypass the ballast and ensure no buzzing, and gain additional energy savings as well.

              by|Nov 19, 2020
                caret
                Q:Is this single or double end wired?
                by|Apr 28, 2020
                3 Answers
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                A:  Thank you for your question. This lamp is double ended.

                by|Jan 30, 2024
                  5 found this answer helpful

                  A:  My fixtures have multiple wires coming from both ends. However, it doesn't really matter how many because per the instructions all wires from one end are joined to the black/hot wire while all wires from the other end are joined with the white/neutral wire. This is what makes it so simple. And it doesn't matter which side of the fixture you choose to join the black/hot vs. white/neutral as it works either way. (Note: In my case, the ground wire was already properly fastened to the fixture, so no action was needed there.)

                  by|Dec 3, 2022
                  3 found this answer helpful

                  A:  Double ended. If you are rewiring conventional fixtures pay attention to the "polarity", put all the neutrals on one end and all the "hots" on the other and mark them. The lights are noted with "N" for neutral on one end, "L" for line (hot) on the other.

                  by|Mar 30, 2024
                  5 found this answer helpful
                  caret
                  Q:What is the recommended operating room temperature (minimum and maximum) for these bulbs?
                  by|Oct 19, 2019
                  2 Answers
                  Answer This Question

                  A:  The install guide doesn't mention a temperature range; only that they are for indoor use only. I installed them in my garage and home.

                  by|Apr 26, 2020

                    A:  Thank you for your question, our standard operating temperature range for LED products is -25C to 45C (-13F to 113F).

                    by|Aug 16, 2023
                      1 found this answer helpful

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