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The story of the SON forest |
veso266 |
6 |
2009 |
April 09, 2024, 04:49:29 PM
by veso266 |
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Have halophosphate fluorescent lamps ever been linked to office fatigue? |
WorldwideHIDCollectorUSA |
8 |
2705 |
April 07, 2024, 05:28:59 PM
by Richmond2000 |
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What is the rarest lamp in your collection?? « 1 2 3 » |
Philips tigkas |
35 |
11389 |
April 03, 2024, 04:48:07 PM
by Philips tigkas |
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Why is the lifespan of metal halides reduced to half when burned horizontal? « 1 2 » |
Robotjulep |
20 |
11076 |
April 03, 2024, 03:46:51 PM
by WorldwideHIDCollectorUSA |
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What ballast should I use? |
axel_chai |
12 |
4550 |
March 27, 2024, 04:55:06 PM
by Philips tigkas |
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At what point will all non-LED electric lighting become virtually unobtainium? « 1 2 » |
WorldwideHIDCollectorUSA |
21 |
6698 |
March 26, 2024, 04:04:34 AM
by Richmond2000 |
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Please help me identify this yellow stick CFL toy, an LED makes it turn on. |
Mem756 |
2 |
1831 |
March 09, 2024, 11:50:13 PM
by LightsAreBright27 |
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Any way to recover worn etching? |
LightsAreBright27 |
4 |
2163 |
March 01, 2024, 03:19:19 PM
by BT25 |
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In North America, why were F32T8 U bend tubes never made in the U3 form? |
WorldwideHIDCollectorUSA |
0 |
1526 |
February 27, 2024, 03:43:22 PM
by WorldwideHIDCollectorUSA |
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How do i clean a bulb without removing etching? |
wharinterrobang |
5 |
2579 |
February 26, 2024, 11:31:29 PM
by RRK |
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Can a standard SOX be run on a SOX-E driver? « 1 2 3 » |
Babayaga |
31 |
12005 |
February 19, 2024, 01:28:09 PM
by Rommie |
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Satco Mogul Base 3 Way LED Bulbs |
Cole D. |
5 |
5522 |
February 15, 2024, 09:57:14 PM
by Cole D. |
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It’s official: California has banned self-ballasted CFL lamps « 1 2 » |
WorldwideHIDCollectorUSA |
17 |
7848 |
January 23, 2024, 11:27:08 PM
by xmaslightguy |
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Showing the invisible ultraviolet spectrum lines of a Narva NFC 80w lamp |
Laurens |
1 |
1669 |
January 23, 2024, 05:34:55 PM
by Rommie |
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Fixtures with bulbs touching metal reflector... |
Robotjulep |
12 |
3669 |
January 12, 2024, 07:00:08 AM
by Medved |
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Just wondering: did halophosphate CFLs ever exist? |
Laurens |
13 |
3253 |
January 01, 2024, 02:16:39 PM
by Laurens |
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Replace mercury lamp with high pressure sodium |
Vailed_Crown |
1 |
2155 |
December 07, 2023, 07:19:14 PM
by WorldwideHIDCollectorUSA |
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Philips 538249 4W Led "Party" Bulb |
John |
1 |
1660 |
December 03, 2023, 05:17:33 AM
by Medved |
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Easiest way to light Krypton Arc lamp |
Dark_Photonics |
3 |
2037 |
December 01, 2023, 09:30:12 PM
by RRK |
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Engineering question regarding SOX/Neon lamps |
Dark_Photonics |
2 |
1684 |
December 01, 2023, 01:46:53 PM
by RRK |
