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Why did Japan use low voltage 1000W MV lamps despite being the 100V country? |
WorldwideHIDCollectorUSA |
1 |
136 |
May 29, 2024, 01:27:12 AM by Medved |
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3 Way LED Bulbs at Dollar Tree |
Cole D. |
0 |
179 |
May 18, 2024, 01:26:20 PM by Cole D. |
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Metallic thallium vs thallium iodide vapour pressure |
dor123 |
3 |
190 |
May 31, 2024, 06:43:08 PM by James |
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In North America, why were F32T8 U bend tubes never made in the U3 form? |
WorldwideHIDCollectorUSA |
0 |
194 |
February 27, 2024, 03:43:22 PM by WorldwideHIDCollectorUSA |
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Driving the Iwasaki H50 with resistive ballast - success |
Laurens |
1 |
220 |
April 11, 2024, 02:46:40 PM by RRK |
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Please help me identify this yellow stick CFL toy, an LED makes it turn on. |
Mem756 |
2 |
233 |
March 09, 2024, 11:50:13 PM by LightsAreBright27 |
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F4T5 rapid end blackening |
LightsAreBright27 |
3 |
277 |
May 08, 2024, 01:40:04 PM by LightsAreBright27 |
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Running SOX lamps in series |
AgentHalogen_87 |
5 |
289 |
May 26, 2024, 06:36:07 AM by LightBulbFun |
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Showing the invisible ultraviolet spectrum lines of a Narva NFC 80w lamp |
Laurens |
1 |
306 |
January 23, 2024, 05:34:55 PM by Rommie |
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Sylvania Metalarc M47 Floodlight bulbs |
KarenatWarsash |
4 |
307 |
May 08, 2024, 08:25:31 AM by KarenatWarsash |
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"Cooper XP25" |
CooperOVZ15 |
0 |
312 |
November 02, 2023, 02:52:43 PM by CooperOVZ15 |
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Any way to recover worn etching? |
LightsAreBright27 |
4 |
322 |
March 01, 2024, 03:19:19 PM by BT25 |
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Why so many LED lamps not for enclosed fixtures? |
Cole D. |
6 |
322 |
May 30, 2024, 03:48:56 AM by James |
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Reducing Ballast Wattage |
Multisubject |
4 |
350 |
April 21, 2024, 05:40:51 PM by Richmond2000 |
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I figured some things out since my metal halide question, but... |
Multisubject |
6 |
356 |
April 13, 2024, 11:40:03 AM by Multisubject |
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What are your favorite LED retrofit Christmas lamps? |
WorldwideHIDCollectorUSA |
0 |
394 |
December 04, 2022, 02:04:24 PM by WorldwideHIDCollectorUSA |
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HPS light troubleshooting |
Raymondo |
1 |
414 |
October 14, 2023, 11:38:24 AM by Robotjulep |
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1980/1981 Philips SL lamp models |
Roland Huisman |
0 |
418 |
October 14, 2023, 06:48:35 PM by Roland Huisman |
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Why do some metal halide lamps have barium getters? |
WorldwideHIDCollectorUSA |
3 |
421 |
May 17, 2024, 01:46:52 AM by Medved |
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MOVED: Requesting help understanding the codes on LED streetlamps in South Australia |
Rommie |
0 |
425 |
May 24, 2023, 07:43:06 PM by Rommie |