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The strugle of finding a frosted incondecent lightbulb in Europe |
veso266 |
12 |
254 |
Today at 12:49:51 PM
by Ash |
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Why are neutral colors less common than daylight in integrated CFLs and LEDs? |
brap530 |
9 |
3232 |
October 06, 2025, 06:42:09 PM
by Lightingeye60 |
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GE fluorescent bulb mercury starvation issues |
Lightingeye60 |
0 |
62 |
October 06, 2025, 02:50:58 PM
by Lightingeye60 |
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Sensitivity of electric light sources to lightning strikes |
dor123 |
7 |
544 |
October 06, 2025, 01:31:58 PM
by Make |
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What color temperature do you prefer for LEDs? Soft white or daylight? |
Lightingeye60 |
2 |
1087 |
October 05, 2025, 08:49:48 PM
by Lightingeye60 |
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Why not electronic ballast for mercury vapor? « 1 2 » |
OgreVorbis |
24 |
14114 |
October 05, 2025, 01:20:18 PM
by RRK |
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Experience with Qianshun Lighting/Glow Object ballasts? « 1 2 » |
shokoshiro |
23 |
14362 |
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 |
1591 |
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 |
541 |
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 |
422 |
September 24, 2025, 12:40:42 PM
by Ash |
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Rapid end blackening in T5 fluorescent |
LightsAreBright27 |
0 |
239 |
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 |
400 |
September 24, 2025, 11:18:51 AM
by Laurens |
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Can I use philips /52 lamps for decorative use? |
LightsAreBright27 |
9 |
2633 |
September 24, 2025, 03:18:29 AM
by Ash |
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What color is this called (fluorescent lamp)? |
LightsAreBright27 |
3 |
1367 |
September 21, 2025, 07:03:42 AM
by dor123 |
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Single-Pin Fluorescent Tubes |
Multisubject |
8 |
3999 |
September 20, 2025, 12:37:49 PM
by Ash |
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Lithium impurity in QMH lamps: Question |
dor123 |
13 |
2786 |
September 20, 2025, 01:40:11 AM
by RRK |
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Why do these neon lamps have different colors? |
LightsAreBright27 |
8 |
1396 |
September 19, 2025, 01:55:24 PM
by LightsAreBright27 |
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Indium iodide lamps: Question |
dor123 |
1 |
1776 |
September 15, 2025, 12:47:41 PM
by dor123 |
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HPS useful lifespan in horticulture: Question |
dor123 |
4 |
1721 |
September 13, 2025, 05:51:03 AM
by dor123 |
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Is this safe to do? |
axel_chai |
9 |
2184 |
September 13, 2025, 03:23:52 AM
by Medved |
