 |
 |
Why are neutral colors less common than daylight in integrated CFLs and LEDs? « 1 2 » |
brap530 |
16 |
24604 |
December 04, 2025, 05:22:42 PM by Ash |
 |
 |
A Philips 175W Mercury Vapor Lamp I bought has a broken insulator at the socket |
Mem756 |
4 |
2851 |
December 02, 2025, 08:28:42 AM by Mem756 |
 |
 |
Rapid end blackening in T5 fluorescent |
LightsAreBright27 |
2 |
5559 |
November 22, 2025, 03:10:17 AM by Ash |
 |
 |
National/Panasonic lighting equipment catalogs for Japanese market |
WorldwideHIDCollectorUSA |
1 |
3284 |
November 19, 2025, 10:01:00 AM by WorldwideHIDCollectorUSA |
 |
 |
Foil seals on TD halides? |
AngryHorse |
0 |
1050 |
November 18, 2025, 04:01:56 PM by AngryHorse |
 |
 |
Dirt on the arctube of my Aliexpress 70W 10000K MH lamp |
dor123 |
10 |
3560 |
November 17, 2025, 04:07:20 PM by AngryHorse |
 |
 |
Tridonic Ballasts with failing RIFA Capacitors « 1 2 » |
Em62Kent |
17 |
7346 |
November 16, 2025, 08:37:39 PM by Ash |
 |
 |
Plasma Ball Starting Aid |
stillaintjeff24 |
5 |
3546 |
November 15, 2025, 03:39:49 AM by stillaintjeff24 |
 |
 |
What color temperature do you prefer for LEDs? Soft white or daylight? « 1 2 » |
Lightingeye60 |
15 |
11333 |
November 12, 2025, 05:31:22 PM by StefanE |
 |
 |
Philips 33/640 "emergency use only" fluoresces under 365nm - why? |
Laurens |
9 |
6530 |
November 10, 2025, 11:08:48 PM by Medved |
 |
 |
Single-Pin Fluorescent Tubes (Part 2) « 1 2 » |
Multisubject |
23 |
20455 |
November 10, 2025, 09:57:47 AM by Multisubject |
 |
 |
Underdriving fluorescent lamp bad for life expectancy? « 1 2 » |
StefanE |
22 |
8923 |
November 05, 2025, 10:42:09 AM by RRK |
 |
 |
Different ways of achieving ultra high CRI LED lamps |
Laurens |
7 |
4170 |
November 02, 2025, 02:26:43 AM by Laurens |
 |
 |
Philips CPO-T 45w VS CDM-T 35w |
Laurens |
6 |
2807 |
November 01, 2025, 03:32:04 PM by RRK |
 |
 |
Lighting in Catalunya, Spain |
Maxim |
2 |
3806 |
October 31, 2025, 02:31:45 PM by Michael |
 |
 |
Single-Pin Fluorescent Tubes |
Multisubject |
9 |
16675 |
October 28, 2025, 07:28:12 AM by tigerelectronics |
 |
 |
Why 250 W 3 way bulbs now replaced 100 W or 150 W? |
Cole D. |
3 |
7108 |
October 26, 2025, 01:24:44 PM by Kyle1500 |
 |
 |
Why most MH lamps have trouble starting with semi-parallel ignitors? |
dor123 |
6 |
3929 |
October 26, 2025, 02:37:48 AM by RRK |
 |
 |
FEIT acquires Cree's household LED lineup |
Maxim |
12 |
4296 |
October 25, 2025, 01:21:22 AM by RRK |
 |
 |
Why BLV added lithium to their orange MH lamps of 150W and over? |
dor123 |
1 |
2604 |
October 22, 2025, 10:48:39 PM by RRK |