I'm using low-watt T8 tubes still at work, 100 lumens/watt. Not sure what the performance is in the fixture.
I can't justify switching to LED until I get both better efficiency AND comparable output - I'm at the bottom of the OSHA workplace lighting scale as it is.
I do have a couple of integrated LED fixtures, but I have my qualms about those too - how easy is it to replace the emitters when they fail? No idea.
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