Subject Started by Replies Views Last post
What is your highest power lamp? Xytrell 12 9090 January 10, 2010, 11:40:16 AM
by Parrot
12W halogen 800lm? Xytrell 1 4393 March 29, 2010, 02:08:40 PM
by Medved
Difference between incandescent lamps Xytrell 1 4231 May 11, 2010, 05:14:22 PM
by f36t8
Color of some odd-named F40's ? xmaslightguy 4 4700 May 26, 2013, 01:42:06 AM
by xmaslightguy
Glow-Lux / Afterglow Fluorescents .. Anyone See These? xmaslightguy 8 6562 July 30, 2010, 10:46:32 AM
by xmaslightguy
Xenon Short Arc Lamp Tungsram XHP 1000HS OFR xantypa 10 7579 April 15, 2015, 01:12:00 AM
by tolivac
Why is the universal 2 pin starter base NOT called “P21” outside of Japan? WorldwideHIDCollectorUSA 0 2553 May 25, 2025, 08:17:33 PM
by WorldwideHIDCollectorUSA
Philips TL-D Eco tubes killing older European fluorescent chokes? WorldwideHIDCollectorUSA 0 2068 May 27, 2022, 11:42:02 PM
by WorldwideHIDCollectorUSA
Why were probe start CMH lamps not developed? WorldwideHIDCollectorUSA 9 4282 March 28, 2021, 01:45:29 PM
by Joe Maurath, Jr.
Why are European HPS lamps not ideal for operation on CWA gear? WorldwideHIDCollectorUSA 3 2785 January 27, 2021, 06:36:06 AM
by Medved
Why are 250W MV lamps and 400W MV lamps universally interchangeable? WorldwideHIDCollectorUSA 4 4055 October 25, 2024, 01:41:46 AM
by Medved
Why did Japan keep “preheat only” F40T12 and F40T10 tubes? WorldwideHIDCollectorUSA 6 4078 May 25, 2025, 11:52:12 PM
by WorldwideHIDCollectorUSA
European 2 foot LED tubes that use LED starters in series installations? WorldwideHIDCollectorUSA 13 5411 December 06, 2021, 01:44:03 PM
by WorldwideHIDCollectorUSA
Difference between grow light HPS and MH vs normal HPS and MH. WorldwideHIDCollectorUSA 2 2238 January 10, 2022, 01:04:04 AM
by tolivac
Using Ohm’s Law to run fluorescent and HID lamps on resistive ballasts? WorldwideHIDCollectorUSA 3 9567 September 27, 2025, 05:23:15 AM
by RRK
Are circline fluorescent lamps good “ring lights” for filming and photography? « 1 2 » WorldwideHIDCollectorUSA 22 16732 November 09, 2024, 12:45:38 PM
by WorldwideHIDCollectorUSA
Did the 1995 and 2012 US T12 bans impact Canada? WorldwideHIDCollectorUSA 3 3521 June 07, 2025, 09:34:35 AM
by funkybulb
Medium pressure sodium lamp color? WorldwideHIDCollectorUSA 3 2529 January 11, 2022, 06:14:30 AM
by Medved
Why did Iwasaki HID lamps become so popular in Australia? WorldwideHIDCollectorUSA 6 3572 January 28, 2021, 06:49:35 AM
by LightsDelight
Lowest color temperature ever achieved for white fluorescent lighting? WorldwideHIDCollectorUSA 11 7083 June 14, 2024, 07:25:37 AM
by TobiTechBoy
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