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Why worn, but good fluorescents trigger some EOL protection? |
Medved |
2 |
2012 |
September 29, 2010, 01:16:52 AM by Medved |
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why this for? |
valirex |
3 |
1912 |
December 22, 2018, 01:39:37 AM by Medved |
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Why the ignition mothed of LPS lamps is different then of the fluorescents |
dor123 |
5 |
2055 |
January 18, 2011, 04:54:36 AM by AngryHorse |
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Why the British 125W T12 requires a capacitor for optimal lamp performance? |
dor123 |
4 |
1189 |
June 20, 2022, 05:32:36 AM by AngryHorse |
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Why tandem fluorescent fixtures, are only used in the US? « 1 2 » |
dor123 |
16 |
5387 |
August 09, 2018, 10:12:02 PM by Lightingguy1994 |
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Why starters tend to black after many startups ? |
Jovan |
7 |
2039 |
November 08, 2019, 06:53:46 PM by Ash |
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Why so few external starter preheat CFL fixtures in North America? |
WorldwideHIDCollectorUSA |
0 |
734 |
August 07, 2022, 11:05:02 PM by WorldwideHIDCollectorUSA |
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Why plastic reflector? |
osramlight_200 |
8 |
1828 |
June 12, 2021, 12:03:46 PM by Krep |
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Why not more POWR/DOOR or PowerPad fixtures |
M250R201SA |
8 |
1865 |
June 30, 2016, 10:23:58 AM by streetlight98 |
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Why it is common to use electronic ballasts in horticulture lighting? |
dor123 |
12 |
2607 |
January 26, 2018, 10:47:33 PM by Lodge |
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Why electronic HID ballasts can't accelerate the run-up of HPS lamps? |
dor123 |
3 |
911 |
June 28, 2022, 07:26:31 PM by 108CAM |
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Why doesn't my light come on when the street lights do? « 1 2 » |
gramirez2012 |
15 |
4978 |
December 17, 2010, 01:41:17 AM by Medved |
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Why doesn't GE offer the 201SA in Metal Halide? |
M250R201SA |
8 |
2004 |
May 06, 2016, 05:28:35 PM by Ash |
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Why does the 40W magnet ballast can't light two tubes? |
bulb_tester2009 |
6 |
1426 |
February 09, 2022, 11:01:05 AM by AngryHorse |
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Why does everyone hate the Durastar? |
M250R201SA |
10 |
1881 |
May 27, 2016, 05:39:37 PM by M250R201SA |
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Why do so many people dislike 3000K halophosphate warm white fluorescent lamps? « 1 2 » |
WorldwideHIDCollectorUSA |
21 |
1765 |
April 08, 2024, 02:15:28 AM by Roi_hartmann |
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Why do Duke Energy replace some fixture with LED but usually HPS |
Cole D. |
2 |
1586 |
December 30, 2018, 06:54:13 PM by wattMaster |
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Why do DOT replace FCO fixtures with drop lens for spot replacement. |
Cole D. |
1 |
1532 |
October 30, 2018, 11:58:16 PM by wide-lite 1000 |
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Why did they even bother with 50-65% output residential ballasts? |
Luminaire |
9 |
2539 |
April 23, 2011, 01:08:35 PM by Medved |
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Why did New York City, USA use electronically ballasted S56 HPS Street lanterns? |
WorldwideHIDCollectorUSA |
13 |
2426 |
November 17, 2020, 10:37:12 PM by Lumex120 |