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Why do some CFL's buzz? |
lightman64 |
4 |
2980 |
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 |
2390 |
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 |
1289 |
April 29, 2021, 09:19:36 PM
by Xytrell |
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WHy do people hate ALTO bulbs? |
HomeBrewLamps |
9 |
2291 |
August 06, 2017, 11:15:16 AM
by sol |
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Why do most Japanese non-integrated CFL lamps use G10Q bases? |
WorldwideHIDCollectorUSA |
5 |
1000 |
August 03, 2022, 06:12:08 PM
by WorldwideHIDCollectorUSA |
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Why do Japanese screw base lamps use the North American designations? |
WorldwideHIDCollectorUSA |
12 |
2255 |
May 11, 2024, 03:33:26 AM
by WorldwideHIDCollectorUSA |
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Why did Venture lighting develop metal halide lamps with unique wattages? |
WorldwideHIDCollectorUSA |
7 |
918 |
June 02, 2023, 11:49:30 PM
by Robotjulep |
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Why did SOX lamps dominate the low pressure sodium lamp industry? « 1 2 » |
WorldwideHIDCollectorUSA |
19 |
4337 |
October 28, 2020, 08:48:31 AM
by sox35 |
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Why did Japan use low voltage 1000W MV lamps despite being the 100V country? |
WorldwideHIDCollectorUSA |
1 |
578 |
May 29, 2024, 01:27:12 AM
by Medved |
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Why did Iwasaki HID lamps become so popular in Australia? |
WorldwideHIDCollectorUSA |
6 |
1322 |
January 28, 2021, 06:49:35 AM
by LightsDelight |
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Why did Australia import some HID lamps designed for the North American market? |
WorldwideHIDCollectorUSA |
2 |
934 |
September 21, 2022, 03:34:43 AM
by Al_M |
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Why CMH lamps weren't made in 5000K color and above? |
dor123 |
10 |
1133 |
September 10, 2024, 04:10:00 PM
by Medved |
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Why CMH have a longer hot restrike time if the internal perssure lower than QMH? |
dor123 |
3 |
2461 |
February 10, 2016, 08:57:07 AM
by Medved |
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Why capacitors affect lamps performance in North America |
dor123 |
7 |
2361 |
October 23, 2023, 01:14:41 AM
by WorldwideHIDCollectorUSA |
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Why calcium wasn't used in QMH lamps but only in CMH lamps? |
dor123 |
1 |
304 |
September 03, 2024, 07:01:31 PM
by James |
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Why blue and green MH lamps don't have coatings at the ends? |
dor123 |
2 |
799 |
August 03, 2022, 02:11:37 PM
by James |
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Why are SBMVs so inefficient? |
Lumex120 |
2 |
1687 |
December 08, 2015, 04:27:56 PM
by Ash |
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Why are PL-L lamps in the Korean countries called “FPL” lamps? |
WorldwideHIDCollectorUSA |
1 |
707 |
March 01, 2022, 08:39:54 AM
by bulb_tester2009 |
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Why are Philips 54-765 lamps the most popular standard colours lamps? |
WorldwideHIDCollectorUSA |
5 |
1095 |
December 14, 2021, 11:27:18 PM
by WorldwideHIDCollectorUSA |
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Why are my G12 MH lamps not striking? |
LightsAreBright27 |
12 |
885 |
July 28, 2024, 04:33:24 AM
by LightsAreBright27 |
