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Why is the 4ft Fluorescent tube ubiquitous? |
sdsw4 |
4 |
4650 |
March 29, 2025, 08:11:40 AM
by WorldwideHIDCollectorUSA |
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Why is it that 400w tubular metal halide lamps can only be operated enclosed? |
Mr. Orthosilicate |
12 |
4979 |
November 20, 2019, 08:48:31 AM
by Mandolin Girl |
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Why is fluorescent lighting becoming less appreciated on LG in recent times? « 1 2 3 » |
WorldwideHIDCollectorUSA |
30 |
9674 |
December 11, 2022, 08:32:03 PM
by Econolite03 |
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Why is capacitive ballasting bad? |
Multisubject |
8 |
4021 |
May 06, 2025, 07:48:54 AM
by Multisubject |
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Why HPS retrofits for MV ballasts with neon hot restrikes from no glow at all |
dor123 |
11 |
6079 |
December 17, 2011, 05:48:43 PM
by Ash |
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Why hardglass halogen capsules have an exhaust tip like their quartz counterpart |
dor123 |
2 |
2017 |
October 21, 2022, 03:40:29 PM
by James |
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Why glow starters kills themselves when a fluorescent lamp reaches EOL |
dor123 |
1 |
2841 |
November 13, 2010, 02:23:19 AM
by Medved |
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Why electronic ballasts for HPS lamps, changing their frequency during starting? |
dor123 |
3 |
2499 |
June 30, 2025, 01:23:33 PM
by Medved |
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Why E27 led lamps kept traditional shape? |
Roi_hartmann |
7 |
4658 |
October 20, 2024, 02:33:45 PM
by Roi_hartmann |
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Why Don’t We Use Magnetic Arc Deflectors with Metal Halide Lamps? |
Mr. Orthosilicate |
10 |
4866 |
October 13, 2021, 07:00:01 PM
by James |
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why does MV glow dimly at first while restrikng, then go out completely? |
ace100w120v |
6 |
5500 |
January 07, 2012, 11:19:53 PM
by LowPressureSodiumSOX |
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Why does Japan have very few off brand light bulbs? |
WorldwideHIDCollectorUSA |
6 |
3046 |
September 03, 2022, 09:00:25 AM
by Silverliner |
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Why does Japan have so many HID retrofit lamps for mercury vapor ballasts? |
WorldwideHIDCollectorUSA |
9 |
3956 |
May 09, 2024, 04:58:43 AM
by WorldwideHIDCollectorUSA |
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Why does Europe have a BC socket and Screw in |
JECWhiz |
1 |
3161 |
March 24, 2009, 08:09:36 PM
by Medved |
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Why do these neon lamps have different colors? |
LightsAreBright27 |
8 |
15196 |
September 19, 2025, 01:55:24 PM
by LightsAreBright27 |
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Why do some PAR38 reflector lamps have a hexagon on the front |
WorldwideHIDCollectorUSA |
1 |
2933 |
November 20, 2024, 05:36:18 PM
by James |
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Why do some metal halide lamps have barium getters? |
WorldwideHIDCollectorUSA |
3 |
2756 |
May 17, 2024, 01:46:52 AM
by Medved |
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Why do some CFL's buzz? |
lightman64 |
4 |
4691 |
April 04, 2009, 12:44:52 PM
by bluelights |
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Why do so many of us prefer magnetic ballasts over electronic ballasts? |
WorldwideHIDCollectorUSA |
9 |
4042 |
October 28, 2020, 03:44:15 PM
by Ash |
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Why do probe start metal halide lamps need to be group replaced? |
WorldwideHIDCollectorUSA |
6 |
3223 |
April 29, 2021, 09:19:36 PM
by Xytrell |
