Subject Started by Replies Views Last post
Question about germicidal lamps RadiantMV 3 415 December 27, 2022, 10:45:46 PM
by RadiantMV
LED blacklights make my eyes hurt desktoptrashcan 3 415 December 20, 2022, 12:17:47 AM
by Lightingguy1994
Yellow LEDs ? wide-lite 1000 11 421 April 27, 2023, 08:13:09 AM
by HomeBrewLamps
Guide to North American HID lamps WorldwideHIDCollectorUSA 0 422 January 06, 2022, 02:01:33 AM
by WorldwideHIDCollectorUSA
20kW liquid cooled xenon short-arcs (SQP SX20000D): wanted, available, questions sfsearchlights 6 430 January 25, 2023, 03:00:56 PM
by AngryHorse
Philips TL-D Eco tubes killing older European fluorescent chokes? WorldwideHIDCollectorUSA 0 432 May 27, 2022, 11:42:02 PM
by WorldwideHIDCollectorUSA
What is your favorite non-integrated CFL lamp? WorldwideHIDCollectorUSA 2 432 August 15, 2022, 01:38:58 PM
by WorldwideHIDCollectorUSA
Why no self ballasted high pressure sodium and low pressure sodium lamps? WorldwideHIDCollectorUSA 5 433 December 07, 2022, 02:19:51 AM
by Medved
What is your favorite LED retrofit tube for linear fluorescent tube fixtures? WorldwideHIDCollectorUSA 2 434 May 21, 2022, 05:12:55 PM
by LightsoftheWest
GE F32T8/841/PRO/EC vs SPX41 Lightingguy1994 0 434 January 21, 2021, 03:44:37 PM
by Lightingguy1994
MOVED: Canadian Leotek Facilities Rommie 0 437 November 23, 2020, 02:51:33 PM
by Rommie
My dream about T5's still lit at a Home Depot davidnonledfan 1 438 June 12, 2022, 10:56:54 PM
by bulb_tester2009
Fluorescent lamps’ quality bulb_tester2009 1 438 January 22, 2022, 04:51:07 AM
by AngryHorse
LED Lightbulb Replacement for Microwave Hood Not Turning Off LightUpMyLife 5 440 February 23, 2023, 03:21:48 PM
by Cole D.
Advance RL-140-tp rapid start ballast question Dnarb52 1 441 July 14, 2022, 09:32:34 PM
by funkybulb
Apology for petition. The Cooper OVX 0 442 August 26, 2020, 09:20:01 PM
by The Cooper OVX
Can the gears of HPS and MH be universal? bulb_tester2009 2 444 February 05, 2022, 10:38:57 PM
by WorldwideHIDCollectorUSA
Difference between color of Philips MHN-TD 70W/730 and Osram HQI-TS 70W/WDL dor123 0 444 August 27, 2020, 10:31:05 AM
by dor123
White sodium SDW marcopete87 9 446 December 10, 2022, 12:58:49 PM
by marcopete87
Difference between OSRAM Sylvania, LEDVANCE Sylvania, and FEILO Sylvania? obsessedstreetlight24 9 449 April 08, 2023, 09:37:21 AM
by obsessedstreetlight24
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