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  • Writer's pictureBKY Lighting

4’ T12 to LEDs

Scope: Retrofit 18 4 lamp 4’ T12 fixtures to 2 lamp LED ballast bypass lamps


BKY Lighting assisted in retrofitting old, mismatching 4 lamp 4’ T12 troffers with new LED 4’ ballast bypass lamps. This eliminates a failure point, the ballast. It also provided a uniform light which improves the customer’s experience. No light output was lost as LEDs are brighter than fluorescents.



  • From 172w/fixture to 30w/fixture

  • From 10,000 hour lamps to 50,000 hour LEDs

  • Expected ROI 0.6 years

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