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Discussion Starter #1
Instead of changing the whole fixture would/could it be easier/cheaper to just change the tombstones and the ballast and leave the same fixture there. Or do I need to take whole unit down and replace it with a T8 fixture?
 

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A "Handy Husband"
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No need do any of that. Just buy direct wire LED replacement tubes. It uses the existing tombstones and the ballast is no longer required. You can buy on line for $7-8 per tube

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Discussion Starter #3
So Do I need to remove the old ballasts? Or do the new bulbs just bypass the ballasts? Its a quick fix but its 32.00 for bulbs per unit. But 50,000 hours bulb life.
 

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A "Handy Husband"
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11,823 Posts
You cut the ballasts dead. You can leave them in place or junk them. You will spend $$ for a T8 ballast and for 4 T8 tubes.

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A "Handy Husband"
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11,823 Posts
Make sure the LED tubes are direct wire not "ballast compatible" or "plug and play". Some are listed as direct wire and ballast compatible, that will work also. I prefer the LEDs that are wired to both ends of the tube, it allows the use of shunted or un-shunted tombstones. Single end wired LEDs require un-shunted tombstones.

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