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EOL GE F40 One of those tubes has reached end-of-life. Think it's the older F40DX? No! It's still running great but the newer F40SP65/ECO doesn't start anymore in my F40 shoplight, but it still starts on one of my Sylvania GTE troffers... weird. That F40SP65 was already heavily used when I got it, but since it was not *completely* spent... xD The replacement tube is a brand new Sylvania F40DX from 2009 by the way. Keywords: Indoor_Fixtures

EOL GE F40

One of those tubes has reached end-of-life. Think it's the older F40DX? No! It's still running great but the newer F40SP65/ECO doesn't start anymore in my F40 shoplight, but it still starts on one of my Sylvania GTE troffers... weird.

That F40SP65 was already heavily used when I got it, but since it was not *completely* spent... xD The replacement tube is a brand new Sylvania F40DX from 2009 by the way.

20131123_144328.jpg 20131123_144255.jpg 20130303_120543.jpg HPIM4042.JPG HPIM2391.JPG
File information
Filename:20130303_120543.jpg
Album name:Vince / Failed lighting systems
Keywords:Indoor_Fixtures
Filesize:313 KiB
Date added:Mar 12, 2013
Dimensions:2048 x 1536 pixels
Displayed:177 times
Color Space:sRGB
DateTime Original:2013:03:03 12:05:42
Exposure Bias:0 EV
Exposure Mode:0
Exposure Program:Aperture Priority
Exposure Time:1/40 sec
FNumber:f/2.65
Flash:No Flash
Focal length:4.03 mm
ISO:50
Make:Samsung
Max Aperture:f/2.6
Model:SGH-T989D
URL:http://www.galleryoflights.org/mb/gallery/displayimage.php?pid=15204
Favorites:Add to Favorites

Comment 1 to 7 of 7
Page: 1

xmaslightguy   [Mar 13, 2013 at 02:54 AM]
I have that same shoplight. I'm pretty sure the 'ballast' actually just has 2 of whats in one of those crappy 'Lights Of America' inside (so preheat + electronic starter-thingie)
GEsoftwhite100watts   [Mar 13, 2013 at 03:27 AM]
I think this one was T8 originally but he stuck a F40/RS ballast in there...
xmaslightguy   [Mar 13, 2013 at 03:40 AM]
could be a newer version than the one I have...it was T12 only
GEsoftwhite100watts   [Mar 13, 2013 at 03:42 AM]
Maybe this one was...I know he was saying it had an electronic ballast with EOL protection...
TiCoune66   [Mar 13, 2013 at 03:06 PM]
That's right! It had a F32T8 electronic ballast. Back when I converted it I had no other 4 foot fixture. So if it was today the fixture would've stayed F32T8, at least until the ballast fails xD
GEsoftwhite100watts   [Mar 13, 2013 at 03:18 PM]
But you could've run F40 and F34 lamps on that ballast anyway as well...
vaporeyes   [Mar 15, 2013 at 04:37 AM]
I too find myself seeing if a 'dead' lamp will work on another fixture, to squeeze some more life out of it. Ultimately it ends up on my electronic F40 Universal with 800 punishing OCV's, destroying the rest of the cathode until the arc burns through the glass and lets air in.

Comment 1 to 7 of 7
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