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LED floodlight destroyed by a sunlight? |
merc |
2 |
1295 |
July 26, 2014, 04:40:55 PM by toomanybulbs |
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Arc Bending vs. Lamp Efficiency |
merc |
6 |
1185 |
March 26, 2016, 06:23:17 AM by Ash |
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Fluorescent prices - now and 50 years ago |
merc |
14 |
2755 |
February 10, 2015, 11:56:31 PM by Medved |
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Are the Chinese lamps really worse? « 1 2 » |
merc |
19 |
4059 |
October 19, 2014, 04:16:55 AM by Roi_hartmann |
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Is it possible to dissipate most of the LED heat by radiation only? |
merc |
4 |
1401 |
November 17, 2018, 04:30:38 PM by funkybulb |
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LED max. overdrive for an extremely short time |
merc |
7 |
2234 |
October 24, 2015, 01:11:26 PM by Ash |
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Do LED drivers consume some energy even when turned OFF? |
merc |
2 |
1123 |
January 02, 2016, 01:31:22 PM by Medved |
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Do LEDs need a power supply with output reserve? |
merc |
7 |
1316 |
October 05, 2016, 01:58:44 AM by Medved |
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Future of LED Filaments (Except Retro Light Bulbs) |
merc |
12 |
2009 |
March 23, 2016, 02:13:05 AM by Medved |
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Fluorescent electrode design across manufacturers/product lines |
merc |
5 |
1728 |
August 29, 2015, 11:24:51 AM by Medved |
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What's the most effective CFL geometry? |
merc |
10 |
2111 |
May 30, 2014, 03:51:24 PM by merc |
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Bike fog light & underdriven LEDs |
merc |
7 |
1817 |
October 20, 2014, 02:00:43 AM by BG101 |
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Halogen Lamps & Overvoltage |
merc |
3 |
705 |
November 09, 2020, 12:12:28 PM by Medved |
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Correct way of comparing lamp efficiencies |
merc |
7 |
1799 |
May 21, 2014, 03:13:06 PM by Medved |
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Extra-low voltage spotlight |
merc |
5 |
1653 |
May 25, 2014, 04:26:10 PM by Medved |
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Peltier-cooled LED lighting assembly |
merc |
4 |
1806 |
April 02, 2015, 01:48:51 PM by Medved |
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HID outer bulb soft/hard glass |
merc |
3 |
1428 |
June 10, 2014, 12:46:43 AM by Medved |
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Electronically Ballasted CFL 15-Year Delay |
merc |
2 |
1199 |
September 12, 2016, 02:46:31 AM by dor123 |
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Lamp warranty claims |
merc |
2 |
1056 |
April 29, 2014, 03:17:39 AM by marcopete87 |
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CFL switching cycle |
merc |
9 |
2449 |
May 17, 2014, 02:41:12 PM by Medved |