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GE 35w HPS interesting EOL

GE 35w HPS interesting EOL

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This Hungarian-made GE lamp has been in one of my wall pack fixtures for about 4 years so lasted about the typical 16,000 hrs rated life. I didn't see it fail but it wasn't lit one night and I suspected the ignitor had gone bad, but it actually was a failed lamp. There was just a dim flashing in the arc tube from the ignitor. The lamp was burning base up and there us blackening on the cap end as well as a blackened but intact arc tube. Maybe arc tube seal failure? The lamp won't light even on an 1000w HPS ballast and the outer bulb glows bright pink/orange when the lamp is microwaved. The lamp has burned slightly pinkish for many years. It never cycled before it failed.

60w 3000h GE+.jpg TCP 23w CFL+.jpg GE failed 35w HPS+.jpg 20190117_031107164_iOS.jpg

Light Information

Light Information

Manufacturer:General Electric
Model Reference:LU35/MED
Lamp
Lamp Type:High Pressure Sodium
Base:E26
Shape/Finish:ED17
Service Life:16,000 hrs
Electrical
Wattage:35
Voltage:52
Optical
Lumen Output:0
Physical/Production
Factory Location:Hungary

File information

File information

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Filename:GE failed 35w HPS+.jpg
Album name:arcblue / Bulbs in captivity
Keywords:Lamps
File Size:85 KB
Date added:Mar 03, 2019
Dimensions:1008 x 558 pixels
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Alights
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USA (120V 60HZ)


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Mar 03, 2019 at 06:45 PM Author: Alights
I've replaced many low wattage Ge lamps that have done this exact thing
rjluna2
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Robert


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Mar 04, 2019 at 06:50 AM Author: rjluna2
Looks like it is really hammered

Pretty, please no more Chinese failure.

arcblue
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Jun 02, 2019 at 03:49 PM Author: arcblue
Sounds like this may be the common failure mode for these lamps vs. the typical cycling.

I'm lampin...

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