Subject Started by Replies Views Last post
Sodium takes longer to evaporate in orange compared to pink MH lamps dor123 3 1171 May 08, 2025, 01:36:04 PM
by dor123
The arc of my EYE MTD70SDW-7S/3500K Ra96 MH lamp is very constricted « 1 2 » dor123 19 1629 May 08, 2025, 01:01:03 PM
by RRK
Philips CPO-TW and Philips CPO-TT run-up: Question dor123 2 653 May 06, 2025, 09:53:55 AM
by dor123
Why is capacitive ballasting bad? Multisubject 8 833 May 06, 2025, 07:48:54 AM
by Multisubject
DIY Getters From Neon Indicators? (Vacuum Tube / Lamp Making) Multisubject 9 863 May 05, 2025, 06:08:38 PM
by James
Single-Pin Fluorescent Tubes Multisubject 4 412 May 04, 2025, 02:28:17 AM
by icefoglights
Single-Pin Fluorescent Tubes (Part 2) Multisubject 3 452 May 02, 2025, 05:43:09 PM
by Multisubject
Colour temp of Mercury Vapour bulbs Eleco_SR304 3 538 May 01, 2025, 02:50:34 AM
by RRK
Dual Starting Probes to Lower Striking Voltage Multisubject 5 1398 April 30, 2025, 10:47:07 AM
by dor123
Philips TL 11W Actinic BL dor123 5 2698 April 28, 2025, 04:58:12 PM
by RRK
Is MH Discharge or ceramic? Eleco_SR304 6 2475 April 24, 2025, 05:27:04 PM
by RRK
Who devised the idea of using Fulham Workhorse ballasts for LPS lamps in NA? WorldwideHIDCollectorUSA 2 987 April 22, 2025, 01:43:05 AM
by Alex
i want to buy a small hid fixtures for indoor use, any suggestions? « 1 2 » CFLMan9000 23 5802 April 21, 2025, 11:11:22 PM
by WorldwideHIDCollectorUSA
Is LED really the world’s most energy efficient light source? « 1 2 3 » WorldwideHIDCollectorUSA 38 19037 April 21, 2025, 03:40:33 PM
by Medved
Why did Lunera give their lines of drop in LED retrofit lamps female names? WorldwideHIDCollectorUSA 2 1687 April 21, 2025, 08:44:27 AM
by Alex
Ballast/Lamp Combinations? (US) Multisubject 6 2148 April 20, 2025, 06:34:57 PM
by Multisubject
What is with the hate for self-ballasted mercury vapor? Multisubject 14 5449 April 20, 2025, 02:28:46 PM
by AngryHorse
Scandium in CMH lamps? dor123 8 4163 April 19, 2025, 04:51:51 PM
by James
Ceramic Discharge Tube Wire Feed-Throughs? Multisubject 2 1326 April 18, 2025, 12:46:36 PM
by Multisubject
Why my Aliexpress 70W 4000K Na-SC MH lamp don't have yellowish tinge? dor123 0 659 April 18, 2025, 07:26:40 AM
by dor123
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