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    <div class="moz-cite-prefix">Honestly, unless you think you'll fall
      back to using fluorescent tubes in the future, I'd remove those
      ballasts and just use LED tubes designed to be powered directly
      from 120V line.  There's no need for a fluorescent ballast so it's
      just wasting electricity.  <br>
      <br>
      The downside is you'll need to remove your ballasts and rewire
      your fixtures.  The tubes will have instructions for how to rewire
      your fixtures.  Do make sure you put a clear warning label inside
      the fixture if you do this so that someone doesn't unwittingly try
      to plug in a fluorescent tube later.<br>
      <br>
      <br>
      On 08/20/2018 02:23 PM, john niolon wrote:<br>
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          <div>I’ve changed all my 4’ t-8 fluorescent bulbs with LED
            tubes (with ballasts).  Much better light output and I’m
            very pleased.  I still have a couple of 4’ t-12s  fixtures
            and I’m</div>
          <div>wondering if I can just swap out the tubes... I think
            the  end connectors are the same for t-8 and t-12... will
            the t-12 ballast cause a problem ???</div>
          <div> </div>
          <div>thanks</div>
          <div>John</div>
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