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F4T5 rapid end blackening |
LightsAreBright27 |
3 |
167 |
May 08, 2024, 01:40:04 PM
by LightsAreBright27 |
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Sylvania Metalarc M47 Floodlight bulbs |
KarenatWarsash |
4 |
173 |
May 08, 2024, 08:25:31 AM
by KarenatWarsash |
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Driving the Iwasaki H50 with resistive ballast - success |
Laurens |
1 |
175 |
April 11, 2024, 02:46:40 PM
by RRK |
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In North America, why were F32T8 U bend tubes never made in the U3 form? |
WorldwideHIDCollectorUSA |
0 |
176 |
February 27, 2024, 03:43:22 PM
by WorldwideHIDCollectorUSA |
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Please help me identify this yellow stick CFL toy, an LED makes it turn on. |
Mem756 |
2 |
206 |
March 09, 2024, 11:50:13 PM
by LightsAreBright27 |
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Why do some metal halide lamps have barium getters? |
WorldwideHIDCollectorUSA |
3 |
242 |
May 17, 2024, 01:46:52 AM
by Medved |
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Reducing Ballast Wattage |
Multisubject |
4 |
247 |
April 21, 2024, 05:40:51 PM
by Richmond2000 |
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Why does Japan have so many HID retrofit lamps for mercury vapor ballasts? |
WorldwideHIDCollectorUSA |
9 |
249 |
May 09, 2024, 04:58:43 AM
by WorldwideHIDCollectorUSA |
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Any way to recover worn etching? |
LightsAreBright27 |
4 |
266 |
March 01, 2024, 03:19:19 PM
by BT25 |
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I figured some things out since my metal halide question, but... |
Multisubject |
6 |
270 |
April 13, 2024, 11:40:03 AM
by Multisubject |
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Showing the invisible ultraviolet spectrum lines of a Narva NFC 80w lamp |
Laurens |
1 |
293 |
January 23, 2024, 05:34:55 PM
by Rommie |
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"Cooper XP25" |
CooperOVZ15 |
0 |
301 |
November 02, 2023, 02:52:43 PM
by CooperOVZ15 |
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The story of the SON forest |
veso266 |
6 |
381 |
April 09, 2024, 04:49:29 PM
by veso266 |
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Blacklight CFL autopsy - correct voltage drop? |
Laurens |
2 |
384 |
April 17, 2024, 02:56:14 PM
by Laurens |
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What are your favorite LED retrofit Christmas lamps? |
WorldwideHIDCollectorUSA |
0 |
385 |
December 04, 2022, 02:04:24 PM
by WorldwideHIDCollectorUSA |
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HPS light troubleshooting |
Raymondo |
1 |
400 |
October 14, 2023, 11:38:24 AM
by Robotjulep |
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1980/1981 Philips SL lamp models |
Roland Huisman |
0 |
407 |
October 14, 2023, 06:48:35 PM
by Roland Huisman |
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Have halophosphate fluorescent lamps ever been linked to office fatigue? |
WorldwideHIDCollectorUSA |
8 |
414 |
April 07, 2024, 05:28:59 PM
by Richmond2000 |
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Engineering question regarding SOX/Neon lamps |
Dark_Photonics |
2 |
415 |
December 01, 2023, 01:46:53 PM
by RRK |
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MOVED: Lumac Helios street fixture |
Richmond2000 |
0 |
416 |
July 16, 2023, 12:30:18 AM
by Richmond2000 |
