RyanKorponay12
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| i just posed my finished 3x F15T12 FL outdoor light and my original plan was to used t12 but then i thought about t8, T12 looks alot better but T8 puts out alot more light, for instance 2x f15t8 are brighter then 3x F15T12 with one tube overdriven, so what do you think looks? or function ?
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The Ballaster!!! *Poof*...
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Ash
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| I dont find anything with the looks of T8 thats not as good as T12. Maybe it is an association thing, over there T8 associates with Instant Start gear, while here it is the same gear as T12
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dor123
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| The American T8, are different lamps than our T8. The American T8 are equivalent to our T5. American operates T12 with rapid start ballasts, so they can't use the 18W and 36W T8 lamps in their gears. So they developed their own 32W T8 lamps, which requires a different gear than the 40W T12. Initially it was magnetic rapid-start, but currently it is mostly electronic two wires instant start, which is why T8 gives the American a bad name.
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I"m don't speak English well, and rely on online translating to write in this site.
Please forgive me if my choice of my words looks like offensive, while that isn't my intention.
I only working with the international date format (dd.mm.yyyy).
I lives in Israel, which is a 220-240V, 50hz country.
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Lightingguy1994
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| I am a T12 guy for sure, they used to be everywhere when I was a kid so they definitely play into nostalgia. But to me now, it also plays down to function and performance and application.
For most applications I would choose T12 but in applications where theres cooler temps and higher brightness and sometimes extended life are needed, I would go for T8 on Magnetic Rapid start. In places where I'd have less than 3 fixtures in the same room, then I would use T8 on IS for the parallel operation likely in modern fixtures. In places where I'm using modern fixtures and magnetic gear doesn't physically fit but there is more than 3 lights, I would use T8 on my Electronic Rapid Start series ballasts.
My place will for sure be a mix of everything!
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RyanF40T12
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| T8s are more cold weather friendly (so long as the ballast is rated for the cold temps)
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The more you hate the LED movement, the stronger it becomes.
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dor123
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| Here T8 becomes dimmer easily inside refrigerators and during cold weathers.
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I"m don't speak English well, and rely on online translating to write in this site.
Please forgive me if my choice of my words looks like offensive, while that isn't my intention.
I only working with the international date format (dd.mm.yyyy).
I lives in Israel, which is a 220-240V, 50hz country.
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Lightingguy1994
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| Yeah it happens here but I mean't for like a cooler garage plus T8s are driven harder on their magnetic gear so they will warm quickly
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RyanKorponay12
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| i think ill use t12 in the summer and t8 in the winter
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The Ballaster!!! *Poof*...
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Roi_hartmann
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| I don't see any other reason than nostalgia and some special applications. But then again the european t8 system is so different than 120v one.
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Aamulla aurinko, illalla AIRAM
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HomeBrewLamps
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| what if you built a 4 tube T8 version? or maybe a 6 tube T5 version? i think a four tubed one would be pretty sweet, and 6 T5 tubes ought to light the place plenty, these are just ideas... i personally think that with this specific fixture, T8 would not look good, since there'd be empty space, but if you built one with four T8 tubes in a relatively same sized box that would probably look pretty great
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~Owen
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Ash
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| Empty space is a good thing. In the multiple lamp T12 lanterns where the lamps are nearly touching each otehr 1/2 of the light is lost behind the lamps
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HomeBrewLamps
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| Ah fair point, although i dont think his light fixture he built has a reflector.. so isint the light being absorbed anyway?
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~Owen
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Ash
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| White painted surfaces reflect most of the light hitting them. The more distance there is between the tube/the luminaire and between adjacent tubes, the more of this light comes out
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