Subject Started by Replies Views Last post
Why hardglass halogen capsules have an exhaust tip like their quartz counterpart dor123 2 1394 October 21, 2022, 03:40:29 PM
by James
Why glow starters kills themselves when a fluorescent lamp reaches EOL dor123 1 2329 November 13, 2010, 02:23:19 AM
by Medved
Why E27 led lamps kept traditional shape? Roi_hartmann 7 3322 October 20, 2024, 02:33:45 PM
by Roi_hartmann
Why Don’t We Use Magnetic Arc Deflectors with Metal Halide Lamps? Mr. Orthosilicate 10 3785 October 13, 2021, 07:00:01 PM
by James
why does MV glow dimly at first while restrikng, then go out completely? ace100w120v 6 3652 January 07, 2012, 11:19:53 PM
by LowPressureSodiumSOX
Why does Japan have very few off brand light bulbs? WorldwideHIDCollectorUSA 6 1622 September 03, 2022, 09:00:25 AM
by Silverliner
Why does Japan have so many HID retrofit lamps for mercury vapor ballasts? WorldwideHIDCollectorUSA 9 2335 May 09, 2024, 04:58:43 AM
by WorldwideHIDCollectorUSA
Why does Europe have a BC socket and Screw in TudorWhiz 1 2731 March 24, 2009, 08:09:36 PM
by Medved
Why do some PAR38 reflector lamps have a hexagon on the front WorldwideHIDCollectorUSA 1 2176 November 20, 2024, 05:36:18 PM
by James
Why do some metal halide lamps have barium getters? WorldwideHIDCollectorUSA 3 1597 May 17, 2024, 01:46:52 AM
by Medved
Why do some CFL's buzz? lightman64 4 3613 April 04, 2009, 12:44:52 PM
by bluelights
Why do so many of us prefer magnetic ballasts over electronic ballasts? WorldwideHIDCollectorUSA 9 2983 October 28, 2020, 03:44:15 PM
by Ash
Why do probe start metal halide lamps need to be group replaced? WorldwideHIDCollectorUSA 6 1802 April 29, 2021, 09:19:36 PM
by Xytrell
WHy do people hate ALTO bulbs? HomeBrewLamps 9 2878 August 06, 2017, 11:15:16 AM
by sol
Why do my Christmas lights start flickering every time I turn on my fluorescents Philips tigkas 10 5900 December 05, 2024, 12:10:05 PM
by Philips tigkas
Why do most Japanese non-integrated CFL lamps use G10Q bases? WorldwideHIDCollectorUSA 5 1573 August 03, 2022, 06:12:08 PM
by WorldwideHIDCollectorUSA
Why do Japanese screw base lamps use the North American designations? WorldwideHIDCollectorUSA 12 3638 May 11, 2024, 03:33:26 AM
by WorldwideHIDCollectorUSA
Why did Venture lighting develop metal halide lamps with unique wattages? WorldwideHIDCollectorUSA 7 1489 June 02, 2023, 11:49:30 PM
by Robotjulep
Why did SOX lamps dominate the low pressure sodium lamp industry? « 1 2 » WorldwideHIDCollectorUSA 19 5451 October 28, 2020, 08:48:31 AM
by sox35
Why did Lunera give their lines of drop in LED retrofit lamps female names? WorldwideHIDCollectorUSA 2 2203 April 21, 2025, 08:44:27 AM
by Alex
© 2005-2025 Lighting-Gallery.net | SMF 2.0.19 | SMF © 2021, Simple Machines | Terms and Policies