Subject Started by Replies Views Last post
Underdriving/overdriving lamps: Effects on lamp & ballast « 1 2 » arcblue 21 21507 January 01, 2018, 03:48:48 AM
by Medved
Unexpected discountinue of Osram PLANON flat fluorescet lamps dor123 2 4146 January 06, 2010, 04:31:23 AM
by dor123
Universal Lighting Dual ballast circuits WorldwideHIDCollectorUSA 7 3261 August 12, 2024, 01:40:48 AM
by Medved
unknown ballast Alights 2 3712 June 29, 2010, 07:57:17 PM
by Luminaire
Unknown lamp ivan 6 2708 October 09, 2015, 02:50:39 PM
by ivan
Unknown Philips? N3210 4 1711 May 19, 2022, 05:36:49 PM
by joseph_125
unknown sodium arc tube marcopete87 6 2687 July 02, 2013, 10:32:12 AM
by marcopete87
Unknown type of semiconductor die in the green LED of my Inova microlight dor123 3 3336 September 24, 2010, 07:25:22 PM
by toomanybulbs
Unprotected lamp in open fixture lightingcollector84 2 2703 July 06, 2009, 07:11:58 PM
by lightingcollector84
Unusual GE Magnetic CFL BlueHalide 5 2919 January 23, 2015, 11:19:29 AM
by paintballer22
Unusual Lamps « 1 2 » FGS 17 15040 April 26, 2020, 05:14:35 PM
by vytautas_lamps
Unusual lamps SeanB~1 0 4914 November 22, 2007, 01:25:23 PM
by SeanB~1
Unusual Metal Halide lamp BlueHalide 3 2466 January 09, 2013, 04:23:04 PM
by AngryHorse
Unusual miniature flat fluorescent Lumex120 8 2662 July 20, 2016, 10:04:39 PM
by Lumex120
Unusual preheat fluorescent wiring BlueHalide 13 3680 July 20, 2018, 07:49:29 PM
by nicksfans
Unusual Slimline Ballast mbulb146 0 2380 September 09, 2014, 08:39:03 PM
by mbulb146
Unusual starting characteristics of CMH bulb « 1 2 » 208Volts 18 6571 October 03, 2022, 01:23:52 AM
by Medved
unusual tube manufacturer hannahs lights 2 2144 September 27, 2016, 11:29:45 PM
by dor123
Upgrading to LED: This is what you get! « 1 2 » ElectroLite 23 20239 September 14, 2016, 03:34:28 AM
by dor123
US HID lamps « 1 2 » LightsDelight 21 14936 December 11, 2024, 03:26:14 PM
by RRK
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