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What color temperature do you prefer for LEDs? Soft white or daylight? |
Lightingeye60 |
9 |
3139 |
Today at 07:34:15 AM by tigerelectronics |
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Underdriving fluorescent lamp bad for life expectancy? |
StefanE |
7 |
242 |
Today at 07:32:15 AM by tigerelectronics |
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Single-Pin Fluorescent Tubes |
Multisubject |
9 |
5553 |
Today at 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 |
2643 |
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 |
5512 |
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 |
189 |
October 26, 2025, 02:37:48 AM by RRK |
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FEIT acquires Cree's household LED lineup |
Maxim |
12 |
511 |
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 |
221 |
October 22, 2025, 10:48:39 PM by RRK |
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oddball lightbulb voltages « 1 2 » |
Bulbman256 |
19 |
5501 |
October 19, 2025, 06:52:58 AM by RRK |
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The strugle of finding a frosted incondecent lightbulb in Europe « 1 2 » |
veso266 |
22 |
2650 |
October 14, 2025, 03:02:52 AM by Ash |
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GE fluorescent bulb mercury starvation issues |
Lightingeye60 |
3 |
809 |
October 11, 2025, 01:27:37 AM by Lightingeye60 |
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Are HPS draw more current during run-up like MH and MV lamps? |
dor123 |
2 |
487 |
October 10, 2025, 06:00:37 AM by Medved |
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Sensitivity of electric light sources to lightning strikes |
dor123 |
7 |
2854 |
October 06, 2025, 01:31:58 PM by Make |
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Why not electronic ballast for mercury vapor? « 1 2 » |
OgreVorbis |
24 |
17155 |
October 05, 2025, 01:20:18 PM by RRK |
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Experience with Qianshun Lighting/Glow Object ballasts? « 1 2 » |
shokoshiro |
23 |
17132 |
October 03, 2025, 05:49:02 PM by NeXe Lights |
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Do these special endcap germicidal lamps just use standard T5 endcaps inside? |
LightsAreBright27 |
13 |
3959 |
September 29, 2025, 02:12:32 PM by Make |
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Using Ohm’s Law to run fluorescent and HID lamps on resistive ballasts? |
WorldwideHIDCollectorUSA |
3 |
1497 |
September 27, 2025, 05:23:15 AM by RRK |
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Are the Sylvania Relumina CMH retrofit lamps OCV and frequency dependant? |
WorldwideHIDCollectorUSA |
2 |
1435 |
September 24, 2025, 12:40:42 PM by Ash |
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Rapid end blackening in T5 fluorescent |
LightsAreBright27 |
0 |
1057 |
September 24, 2025, 11:46:24 AM by LightsAreBright27 |
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How my 14000K and my 20000K Aliexpress 70W MH lamps, have different color... |
dor123 |
3 |
1316 |
September 24, 2025, 11:18:51 AM by Laurens |