Subject Started by Replies Views Last post
Why 250 W 3 way bulbs now replaced 100 W or 150 W? Cole D. 2 569 October 02, 2023, 03:41:29 PM
by Cole D.
Why mercury free HPS lamps, are less efficient than standard HPS lamps? dor123 0 574 August 21, 2022, 07:08:23 AM
by dor123
MOVED: Canadian Leotek Facilities Rommie 0 575 November 23, 2020, 02:51:33 PM
by Rommie
MOVED: Making a 700w ballast RandomCatPerson 0 576 April 05, 2022, 06:25:06 PM
by RandomCatPerson
Quality of current made F40T12 Philips Altos Lightingguy1994 1 576 January 02, 2023, 11:37:14 PM
by Lcubed3
Lumen and luminous efficiency reduction of Philips TL-D SUPER-80 tubes bulb_tester2009 3 578 December 11, 2022, 01:56:24 PM
by James
Running a single F20T12 on a 1/2xF32T8 instant start ballast? F40 3 578 November 06, 2023, 03:39:49 AM
by Alights
Guide to North American HID lamps WorldwideHIDCollectorUSA 0 578 January 06, 2022, 02:01:33 AM
by WorldwideHIDCollectorUSA
How the thallium and the indium vapor inside the Philips HPI-T, are unsaturated? dor123 0 579 August 19, 2022, 04:32:35 AM
by dor123
What is your favorite LED retrofit tube for linear fluorescent tube fixtures? WorldwideHIDCollectorUSA 2 585 May 21, 2022, 05:12:55 PM
by LightsoftheWest
What can I do with an LPS arctube? « 1 2 » LightbulbManiac 15 586 May 10, 2024, 08:13:56 PM
by Mandolin Girl
Why my Venture MH-DE 70W/UVS/GDX thallium lamp isn't runs unsaturated? dor123 0 594 February 07, 2023, 10:12:59 AM
by dor123
Philips Hue Smart Lamps under High-Speed Camera LightUpMyLife 1 594 February 28, 2022, 07:49:03 AM
by bulb_tester2009
Cool Daylight A19 LEDs Econolite03 0 595 December 28, 2021, 01:58:37 AM
by Econolite03
Fluorescent lamps’ quality bulb_tester2009 1 599 January 22, 2022, 04:51:07 AM
by AngryHorse
Philips TL-D Eco tubes killing older European fluorescent chokes? WorldwideHIDCollectorUSA 0 602 May 27, 2022, 11:42:02 PM
by WorldwideHIDCollectorUSA
For the people who own reptiles, which lamps do you use? Molly 1 604 June 12, 2022, 11:05:11 PM
by bulb_tester2009
Can the gears of HPS and MH be universal? bulb_tester2009 2 605 February 05, 2022, 10:38:57 PM
by WorldwideHIDCollectorUSA
Fate of Philips WiZ Smart Bulbs Econolite03 3 612 January 04, 2023, 08:31:39 PM
by Econolite03
LED 3 way bulbs Cole D. 3 613 March 23, 2023, 07:13:11 PM
by wide-lite 1000
© 2005-2024 Lighting-Gallery.net | SMF 2.0.19 | SMF © 2021, Simple Machines | Terms and Policies