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    LED retronfit

    Can someone point me towards other posts or articles or give me your advice when switching from T-8 lamp to LED lamps and keeping the ballast or completely getting rid of it? By pass versus non bypass lamps I believe would be the correct terms. Thank you

    #2
    I strongly believe that the bypass, direct-wire type is the only way to go. Why pay to keep the ballasts warm? It's similar to people who replace automotive turn-signal bulbs with LEDs, and then add load resistors to load the existing thermal flasher, instead of installing an LED-compatible one. Why waste the energy you're trying to save?

    I recently had a few customer-supplied LED tubes burn out, along with a ballast or two, when mixed types were tried in various combinations. There was no warning on the tubes about mixing, and the customer did the un-boxing before we were called. We ended up installing new ballasts and fluorescent tubes, at his request, and cost.
    Master Electrician
    Electrical Contractor
    Richmond, VA

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      #3
      Originally posted by LarryFine View Post
      I strongly believe that the bypass, direct-wire type is the only way to go. Why pay to keep the ballasts warm? It's similar to people who replace automotive turn-signal bulbs with LEDs, and then add load resistors to load the existing thermal flasher, instead of installing an LED-compatible one. Why waste the energy you're trying to save?

      I recently had a few customer-supplied LED tubes burn out, along with a ballast or two, when mixed types were tried in various combinations. There was no warning on the tubes about mixing, and the customer did the un-boxing before we were called. We ended up installing new ballasts and fluorescent tubes, at his request, and cost.
      I agree as well but my one supplier says they sell a lot of them so I am looking for reasons to support that. My other supplier only sells LED lamps that are direct wired.

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        #4
        Originally posted by arnettda View Post
        I agree as well but my one supplier says they sell a lot of them so I am looking for reasons to support that.
        Ignorance and/or laziness?
        Master Electrician
        Electrical Contractor
        Richmond, VA

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          #5
          I do bypass lamps to actually get the benefits of LED lighting, not just the appearance of it.

          Don't forget that you probably need to change the tombstones to a non-shunted type if the tubes have hot-and-neutral pins on the same side.

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            #6
            Originally posted by MAC702 View Post
            I do bypass lamps to actually get the benefits of LED lighting, not just the appearance of it.

            Don't forget that you probably need to change the tombstones to a non-shunted type if the tubes have hot-and-neutral pins on the same side.
            Pretty easy to find LED self ballasted replacement tubes that work with shunted or non shunted tombstones.
            If Billy Idol is on your playlist go reevaluate your life.

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              #7
              I use the type that is either/or. You can wire them same end or end to end. I prefer them as sometimes I have to wire the sockets different so I don't have to add or replace wires. But I always use the by-pass type tube.
              [COLOR=navy]If you aim at nothing, you will hit it every time![/COLOR]

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                #8
                I will only install ballast bypass type lamps. I don't want a warranty call that a light is out b/c the ballast failed. Alot of shady electricians/lighitng companies/escos/utilities will install direct fit lamps to make a quick buck, then they will get the recurring maintenance calls down the road to make more money.

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