Lighting-Gallery.net
Lamps => Modern => Topic started by: Robotjulep on September 09, 2023, 05:57:17 PM
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Why are newer homes using gu24 base sockets and lamps? It seems like they are not backwards compatible with incandescent or halogen. They only work with CFL or LED. Also, they cost more than their e26 counterparts. Does anyone know why?
On side note: It makes these gu24 bulbs very easy do use without a lamp holder. Simply solder on wires to the gu24 base bulb and you have an integrated light.
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You answered your own question ! Their purpose is to prevent you from using non-energy efficient lighting such as halogen or incandescent !
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GU24 sockets and bases can burn in hell for all I care. They're such a pain in the you-know-what to find what variety you want, even with LED and CFL; when GU24 lamps can be found, they're only available in a few wattages and color temperatures. :curse: Also, they're huge, so, a lot of the time, they won't even fit in an enclosed fixture. Not to mention that they'll stick out of an open fixture, such as a wall sconce.
Rant over.
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I recently bought a Panasonic bathroom fan/light combo from ReStore that uses a GU24 R-30 LED flood . I plan on installing a normal medium base socket so I can run what I want ! The supplied lamp is extremely dim !
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the laundry room and the "coal shoot" both have GU24 LOW profile florescent CFL lights and those things are lucky to last a year and have swapped to LED due to CFL not in stock anymore and those burn out in a year +/- and the lest one gone dead short and made a "mess" of the fixture and tripped the fuses
as far as I am concerned they can ROT where the sun don't shine
as for GU24 I have seen a "florescent" drum light that took 2X CFL on GU24 base at the restore and it was left to ROT on the shelf
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How many watts can a GU24 base handle?
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I think the highest I remember seeing in a CFL was 23w , 100w equiv. . I may be wrong though
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I thought GU base lamps are only for preheat fluorescent starters, but these gu24 ones in particular, are rather useless.
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https://www.lighting-gallery.net/gallery/displayimage.php?album=5209&pos=0&pid=228499 It's listed as 720 lumens but it's not even as bright as an incandescent 30R20 !! You can also get GU based MR-16 lamps .
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Recently, I got MR-16 halogen can lights from a restore. They use a ceramic base instead of a plastic base. Too bad they never made any PAR-30 or PAR-38 GU-24 halogen floods.
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Back when CFL first came in, they tried to force us to use them here by installing modified bayonet cap lampholders in new build houses. They were similar to the 3-pin BC sockets once common with mercury lamps here, but the pins were at a different offset. Needless to say anyone with any sense just changed them out for normal 2-pin BC sockets.
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So manufacturers do this everywhere? Just because consumers like the price of incandescent more than CFL or L*D, manufacturers try to force them to buy their stuff by changing compatibility. That is rather sneaky.
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They gave up on it here, they just removed everything but L*D from the shelves :-\
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Design wise, the GU24 base socket seems like it is a good design. The bulbs are easier to put in or take out in an enclosed space, and the live terminals (and the lamp base when inserted) are shrouded so that you can't touch them.
But unfortunately they used them to force "energy efficient" lighting technologies on us.
Another thing that people didn't like is there was no version for 3 way lamps, but the designers probably could have added that by adding another version to the standard with a pin in the middle.
So overall in my opinion it is a decent design with a wasted potential. If they had designed it with the intention of being a better lampholder and made all lamps in the GU24 base format (including incandescent and halogen) and had not used it to force people to use CFLs and LEDs, then I would like it.
Also, they're huge, so, a lot of the time, they won't even fit in an enclosed fixture. Not to mention that they'll stick out of an open fixture, such as a wall sconce.
When I have seen GU24 base fixtures in the wild, I have never seen lamps sticking out or not fitting.
They are actually shallower than an E26 socket, and since they don't need to be screwed in, so they are quite practical for enclosed fixtures.
They're such a pain in the you-know-what to find what variety you want, even with LED and CFL; when GU24 lamps can be found, they're only available in a few wattages and color temperatures.
But this is definitely true.
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Well, the lighting industry is going from glass to plastic, unfortunately. Also, quality control is not very good either. Occasionally, there is a good L*D lamp but that doesn't often occur.
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Isn't 'good L*D lamp' an oxymoron.? :mrg:
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*flame suit fitted* will say the L*D A19 GLASS globe "filament" bulbs from Phillips are quite nice and IMHO the FIRST "incandescent replacement grade" bulb
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NOTHING will replace incandescent bulbs for us, we've got enough stocked up here to last the next thirty years at least.!
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great I burned my lunch typing my original reply to this :curse:
I do believe that they CAN be used like an A19 and without actually looking would pass off as an INCANDESCENT to the "normal" consumer - as long as they get away from the :curse: daylight 5000K colour
I am "bulking up" on soon to be not available lamps and fixtures
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As lighting collectors we're far from being 'normal' :mrg:
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I never MADE that accusation as "glass houses" and all
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It has been said about me that I can be 'nuttier than squirrel poo.'... :mrg:
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Although 'poo' wasn't the actual word used... :mrg:
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Isn't 'good L*D lamp' an oxymoron.? :mrg:
Yes. The only good L*D is a dead one. Conventional lighting is always better! :lps: :hps: :mv: :emh: :mvblb: :bumh: :mvc: :cfl1: :inc: Down with the L*Ds! :eoled: :ledcobra: :ledtoilet:
As far as incandescent, my parents have bought a LOT of them from Re-Stores. There is like two large moving boxes full of incandescent lamps all NOS and ready to be lit! Same with CFLs to a smaller degree.
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@Robotjulep and Mandolin Girl - I disagree, and seem to be one of the few who does, but I guess we're each to our own.
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NOTHING will replace incandescent bulbs for us
Not even a Philips SL or a GE Miser Maxi-Light?
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Those can be used in addition to incandescents, but they'll never replace them.
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I think what makes incandescent special is that they generate warm light with heat which is relaxing when you use them in a table lamp near a desk on a winter's day. CFL or L*D is too municipal, not residential and it doesn't have the infrared output of an incandescent lamp. But also the idea of a full glass bulb, no toxic chemicals, and simple construction is what made incandescent the preferred light source. They were cheap to buy and manufacture and they were popular in every country. Also, Incandescent emits a full spectrum, where as CFL or L*D although mimicking the 2700K appearance, has some green hue in it.
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Exactly, and we have our lovely old pip top incandescent, that I called Barnaby (https://www.lighting-gallery.net/gallery/displayimage.php?album=4632&pos=75&pid=196347) who still lights after well over a century.! :love: :bulbman: :poof:
Show me an over excited semi-conductor that will do that.! :wndr:
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One of the environmental benefits of using incandescent lamps is that they require a fraction of the resources to manufacture compared to that of LED lighting as far as I understand.