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Steve there's a couple of types. One is a direct replacement for the T8 tubes, you simply put it in with the solid-state ballast intact. The other requires no blast and are apparently more efficient, just remove the blast and wire power to the tube.
Free advice is worth exactly what you payed for it.
Greg
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Location: Kelowna, BC, Canada
Last week, I upgraded the lighting in a shop that works with granite and other stone slabs. (And yes, I did score a few nice pieces out of their dumpster.) I installed their T5 fixtures with 6500K tubes. The results were so good, the owner told me he had scheduled a guy to come in over Christmas to paint the walls. I guess they hadn't seen them before.
I've decided that the lighting in my new shop will feature 6500 K tubes in T8 fixtures. The enhanced visibility is great. Makes 5000K look yellow.
Mike
If you can't get one, make one.
Hawkeye, proud to be a member of MetalworkingFun Forum since Jan 2013.
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Greg, where did you source the led tubes?
Mike, was the T5 reference in your post a typo?
Busy Bee 12-36 lathe, Busy Bee Mill drill, Busy Bee 4x6 bandsaw, Homemade 9x17 bandsaw, Ad infinitum.
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Steve the site is canadalite.com. After some more research it turns out the T8 florescent give more luminous than these. Mind these would be better than the dim T12's I have now, but probably not worth the cost. Im certainly not that green.
Free advice is worth exactly what you payed for it.
Greg