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Thread: Grounding an electronic ballast

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    Outsiders71's Avatar
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    Grounding an electronic ballast

    I have some new GE ballasts that can power 4, 48" bulbs. I only have some 2 bulb shoplight fixtures so I'm thinking of just making a wood frame to hold the bi-pin sockets and bulbs. My question is these new ballasts do not have a ground wire (my old ballasts have a green wire that is a ground). Is it necessary to ground these ballasts?
    James 1:17

    "Every good and perfect gift is from above, coming down from the Father of the heavenly lights, who does not change like shifting shadows."

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    Av8tor1's Avatar
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    71,

    You should verify of course, but I would "assume" that they may be double insulated and/or "polarity" (for lack of a better term at the moment) sensitive on the primary side and/or they expect you to ground them via the fixture or mounting hardware... which I would probably do anywhays just to error on the side of safety...

    and why not see if you can use these for 2 bulbs and overdrive them?

    just another option maybe...


    cheers'
    Av

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    Outsiders71's Avatar
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    Overdrive the bulbs? What are the gains of doing this? Would this cut my bulbs life by some? Could the ballasts be mounted to wood or does it need to be metal and how much?

    Thanks
    James 1:17

    "Every good and perfect gift is from above, coming down from the Father of the heavenly lights, who does not change like shifting shadows."

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    Stay chooned in for more! Clint's Avatar
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    I dunno what all this electrician stuff is lol, but I can tell you that OD'n bulbs burn a lot brighter but don't last as long.

    EDIT:
    I've never attempted to OD a lamp on an NO ballast. I've only done it with NO lamps on a VHO ballast (electronic, too. Magnetic probably makes a difference as to the harm the OD COULD possible do to the ballast.)

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    Av8tor1's Avatar
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    afaik JLAP is correct,

    150% or so on the brightness but at the cost of bulb/ballast life.... not something I would consider unless they were in a metal fixture

    basically you put the 2 unused secondaries in parallel with the ones being used thereby increasing the secondary current level

    Personally, I have never tried it... but there are plenty who do and swear by it

    google it...

    Av

    edit: "everything you always wanted to know about overdriving fluorescent lights"
    Last edited by Av8tor1; 02-22-2007 at 08:29 AM. Reason: add url

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    Outsiders71's Avatar
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    Interesting...

    Now I'm debating whether or not it would be better to have 4 bulbs or 2 bulbs OD'ed.

    Still though is anyone familiar with the grounding specifications of an electronic ballast if it does not include a ground wire? Could I just attach a 20 gauge wire to the ballast and connect it to some metal?
    James 1:17

    "Every good and perfect gift is from above, coming down from the Father of the heavenly lights, who does not change like shifting shadows."

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    Stay chooned in for more! Clint's Avatar
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    A grounding wire is that third prong right?

    If it is, could you just use a 2prong-3prong adapter? If not then I dunno what I'm talking about lol

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    Outsiders71's Avatar
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    Quote Originally Posted by JustLikeAPill View Post
    A grounding wire is that third prong right?

    If it is, could you just use a 2prong-3prong adapter? If not then I dunno what I'm talking about lol
    Using the adapter though wouldn't ground the ballast because there isn't a 3rd prong. My old ballasts have it's own green ground wire that goes from the inside of the ballast and then screwed into the ballast on the outside.
    James 1:17

    "Every good and perfect gift is from above, coming down from the Father of the heavenly lights, who does not change like shifting shadows."

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