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