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Nearing EOL Despite the look of the electrode, this tube still works as new! It shouldn't be long though before it starts acting funny and completely burn out. Keywords: Lamps

Nearing EOL

Despite the look of the electrode, this tube still works as new! It shouldn't be long though before it starts acting funny and completely burn out.

HPIM0732.JPG HPIM0731.JPG 100_1089.jpg 100_1088.jpg HPIM0560.JPG
File information
Filename:100_1089.jpg
Album name:Vince / Collection of fluorescent lamps (CFLs and linear)
Keywords:Lamps
Filesize:254 KiB
Date added:Mar 03, 2012
Dimensions:2592 x 1944 pixels
Displayed:107 times
Color Space:sRGB
Contrast:0
DateTime Original:2012:03:03 14:26:29
Exposure Bias:0 EV
Exposure Mode:0
Exposure Program:Unknown: 0
Exposure Time:1/80 sec
FNumber:f/3.2
Flash:No Flash
Focal length:16.2 mm
ISO:71
Light Source:Unknown: 0
Make:Eastman Kodak Company
Max Aperture:f/5.3
Model:KODAK Z812 IS ZOOM DIGITAL CAMERA
URL:http://www.galleryoflights.org/mb/gallery/displayimage.php?pid=11013
Favorites:Add to Favorites

Comment 1 to 4 of 4
Page: 1

streetlight98   [Mar 03, 2012 at 08:11 PM]
The F17T8s in my basement have been up maybe a year or so and they are BLACK on the ends. Those cheesy instant start ballasts are really pushing those lamps. They're as black as the one above.
joe_347V   [Mar 03, 2012 at 10:52 PM]
I had a F17T8 wraparound with a cheap IS ballast that made lamps blacken after a few months, eventually I just replaced it with a Cooper circline fixture.
vaporeyes   [Mar 04, 2012 at 02:24 AM]
I had a GE 40w mainlighter was black on the end like that when I moved into my house, and I had noticed the lamp had not been inserted correctly at that end. I fixed it and it lasted (at about 20 hours a month) for about 10 years. After it quit on the rapid start ballast, it took HOURS to fail on an electronic IS ballast.
GEsoftwhite100watts   [May 27, 2013 at 11:46 PM]
Yep, these older GEs seem to be good lamps...you also mentioned this Mainlighter on a pic of mine and I have to agree...they will go practically forever with black ends sometimes!

Comment 1 to 4 of 4
Page: 1
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