Author Topic: States banning high-CRI linear fluorescent lamps!  (Read 573 times)
Desultory
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Re: States banning high-CRI linear fluorescent lamps! « Reply #15 on: April 07, 2021, 12:31:47 AM » Author: Desultory
@Desultory:

Yep I see T8 being converted to LED everywhere here too (either with retrofit tubes, or full fixture replacement). And like you say *any* new construction/remodel is LED, not fluorescent.
The only one I see maybe hanging on a bit longer than the others is T5 .. but even that is basically a dead tech too.
T5 technology never had a chance to begin with and was to much of a latecomer to the scene.
Honestly I don't know what the manufacturers were thinking.
I mean honestly was there any benefit over T8s.
Oh I get it now, smaller diameter tubes means less phosphors and mercury and therefore less investment on the manufacturers part right?
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Re: States banning high-CRI linear fluorescent lamps! « Reply #16 on: April 07, 2021, 12:41:01 AM » Author: xmaslightguy
Quote from: Desultory
Oh I get it now, smaller diameter tubes means less phosphors and mercury and therefore less investment on the manufacturers part right?
Yep. cheaper to manufacture.
And can be sold for more because its "smaller & more efficient"


I should probably pick up some more F54T5's (especially in red & blue) one of these days, before they stop being made ..
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Re: States banning high-CRI linear fluorescent lamps! « Reply #17 on: April 07, 2021, 12:43:39 AM » Author: nicksfans
I agree with Desultory...fluorescent lighting has run its course. The best thing we lighting enthusiasts can do right now is to save as much as we reasonably can. Thereís a chance itíll become cool again in 30-40 years, like vacuum tubes or vinyl records, but no one can say for sure.
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joseph_125
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Re: States banning high-CRI linear fluorescent lamps! « Reply #18 on: April 07, 2021, 03:08:53 AM » Author: joseph_125
I agree with Desultory...fluorescent lighting has run its course. The best thing we lighting enthusiasts can do right now is to save as much as we reasonably can. Thereís a chance itíll become cool again in 30-40 years, like vacuum tubes or vinyl records, but no one can say for sure.

Yeah, agreed. Aside from temporary installations, I haven't really seen any new commericial building with fluorescent being installed. Even places still with fluorescent are increasing retrofitting to LED. Given that LED drop in tubes for fluorescent luminaires exist, most place would probably opt for those instead of buying new fluorescent lamps. There are some specialty applications where fluorescent will stick around for a bit longer (BLB, BL, and UV-C) but LED is making inroads into those fields too.

I'd say T5 is a bit like the fluorescent equilvant of CMH, both newer versions of existing tech that never really took off due to LED. Another issue with T5 was that the lampholders as well as the lampholder spacing was radically different than T12/T8 so retrofits were more involved compared to T12 to T8. T5 retrofit lampholders were made, they were often longer to account for the shorter T5 lamps but T5 retrofits were rare.
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Re: States banning high-CRI linear fluorescent lamps! « Reply #19 on: April 07, 2021, 12:59:36 PM » Author: Binarix128
Now that's just hilarous, and another far-fetched way of forcing LEDs into the market. I would think that the fluorescent banning would start with lower CRI ones like halophosphores, and then scaling up, but starting by the highest makes no sense. What about the applications that requires high CRI lamps, like photography? Seems like they would need to stick to the LEDs which are mostly <85 CRI. Good that the LED shadow-hand is not that bad around here.
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xmaslightguy
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Re: States banning high-CRI linear fluorescent lamps! « Reply #20 on: April 07, 2021, 07:40:51 PM » Author: xmaslightguy
Quote from: Binarix128
  What about the applications that requires high CRI lamps, like photography?
Other bans I've seen 'specialty lamps' are exempt (don't know if that's the case with this one). So it was a photography-specific lamp (which would require nothing more than being labeled as such), it wouldn't be banned.
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Re: States banning high-CRI linear fluorescent lamps! « Reply #21 on: April 08, 2021, 06:58:50 AM » Author: 589
PL-L and HMI will probably stick around a good bit longer in video production circles. HMI especially since all the weight is in the ballast and that can be remote when using one in a pendant style. You only need a large C-stand to rig it. An equivalent LED would be exponentially heavier and require a much more substantial rig to suspend it.
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Re: States banning high-CRI linear fluorescent lamps! « Reply #22 on: April 08, 2021, 11:43:52 PM » Author: funkybulb
Thing is there unintended consquences as I am a greenie guy my self.  I own serveral F40T12 DC rapid start ballast for off grid lighting.  And I hate LEDs for this application as low voltage leds are crap and horrid. So dont start banning T12 lamps cause There not effient. It how we use the lighting.

  There are few days in Texas that 60 percent of power come from wind!  Those are usually on 60 /70 F low huimd days. 
When we dont need cooling or heating.
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