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Rapid end blackening in T5 fluorescent |
LightsAreBright27 |
2 |
2649 |
November 22, 2025, 03:10:17 AM
by Ash |
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National/Panasonic lighting equipment catalogs for Japanese market |
WorldwideHIDCollectorUSA |
1 |
1919 |
November 19, 2025, 10:01:00 AM
by WorldwideHIDCollectorUSA |
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Foil seals on TD halides? |
AngryHorse |
0 |
85 |
November 18, 2025, 04:01:56 PM
by AngryHorse |
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Dirt on the arctube of my Aliexpress 70W 10000K MH lamp |
dor123 |
10 |
487 |
November 17, 2025, 04:07:20 PM
by AngryHorse |
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Tridonic Ballasts with failing RIFA Capacitors « 1 2 » |
Em62Kent |
17 |
997 |
November 16, 2025, 08:37:39 PM
by Ash |
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Plasma Ball Starting Aid |
stillaintjeff24 |
5 |
885 |
November 15, 2025, 03:39:49 AM
by stillaintjeff24 |
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What color temperature do you prefer for LEDs? Soft white or daylight? « 1 2 » |
Lightingeye60 |
15 |
5669 |
November 12, 2025, 05:31:22 PM
by StefanE |
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Philips 33/640 "emergency use only" fluoresces under 365nm - why? |
Laurens |
9 |
1007 |
November 10, 2025, 11:08:48 PM
by Medved |
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Single-Pin Fluorescent Tubes (Part 2) « 1 2 » |
Multisubject |
23 |
10363 |
November 10, 2025, 09:57:47 AM
by Multisubject |
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Underdriving fluorescent lamp bad for life expectancy? « 1 2 » |
StefanE |
22 |
2123 |
November 05, 2025, 10:42:09 AM
by RRK |
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Different ways of achieving ultra high CRI LED lamps |
Laurens |
6 |
726 |
November 02, 2025, 02:26:43 AM
by Laurens |
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Philips CPO-T 45w VS CDM-T 35w |
Laurens |
6 |
477 |
November 01, 2025, 03:32:04 PM
by RRK |
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Lighting in Catalunya, Spain |
Maxim |
2 |
1967 |
October 31, 2025, 02:31:45 PM
by Michael |
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Single-Pin Fluorescent Tubes |
Multisubject |
9 |
8492 |
October 28, 2025, 07:28:12 AM
by tigerelectronics |
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Why 250 W 3 way bulbs now replaced 100 W or 150 W? |
Cole D. |
3 |
3613 |
October 26, 2025, 01:24:44 PM
by Kyle1500 |
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Why are neutral colors less common than daylight in integrated CFLs and LEDs? |
brap530 |
12 |
11785 |
October 26, 2025, 03:01:53 AM
by brap530 |
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Why most MH lamps have trouble starting with semi-parallel ignitors? |
dor123 |
6 |
1209 |
October 26, 2025, 02:37:48 AM
by RRK |
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FEIT acquires Cree's household LED lineup |
Maxim |
12 |
1245 |
October 25, 2025, 01:21:22 AM
by RRK |
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Why BLV added lithium to their orange MH lamps of 150W and over? |
dor123 |
1 |
734 |
October 22, 2025, 10:48:39 PM
by RRK |
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oddball lightbulb voltages « 1 2 » |
Bulbman256 |
19 |
7333 |
October 19, 2025, 06:52:58 AM
by RRK |
