Subject Started by Replies Views Last post
Why is the universal 2 pin starter base NOT called “P21” outside of Japan? WorldwideHIDCollectorUSA 0 931 May 25, 2025, 08:17:33 PM
by WorldwideHIDCollectorUSA
CWA Ballast Questions Multisubject 13 3495 May 25, 2025, 11:41:26 AM
by Medved
Strange color from EOL fluorescent LightsAreBright27 6 2758 May 23, 2025, 04:58:16 PM
by RRK
fluorescent lamp sizes - an adventure in arbitrary designations! « 1 2 » ultraviolet 18 11895 May 19, 2025, 09:31:55 PM
by WorldwideHIDCollectorUSA
Worn and fresh TL on dual lamp electronic ballast Laurens 1 1061 May 18, 2025, 07:29:02 AM
by RRK
Do germicidal lamps cause 'sandy eyes'? LightsAreBright27 8 2928 May 15, 2025, 04:12:14 PM
by Multisubject
SOX Fulham Ballasting NeXe Lights 14 6713 May 14, 2025, 07:23:01 AM
by NeXe Lights
Sodium takes longer to evaporate in orange compared to pink MH lamps dor123 3 3327 May 08, 2025, 01:36:04 PM
by dor123
Philips CPO-TW and Philips CPO-TT run-up: Question dor123 2 1929 May 06, 2025, 09:53:55 AM
by dor123
Why is capacitive ballasting bad? Multisubject 8 3349 May 06, 2025, 07:48:54 AM
by Multisubject
DIY Getters From Neon Indicators? (Vacuum Tube / Lamp Making) Multisubject 9 4295 May 05, 2025, 06:08:38 PM
by James
Colour temp of Mercury Vapour bulbs Eleco_SR304 3 2185 May 01, 2025, 02:50:34 AM
by RRK
Dual Starting Probes to Lower Striking Voltage Multisubject 5 3380 April 30, 2025, 10:47:07 AM
by dor123
Philips TL 11W Actinic BL dor123 5 4265 April 28, 2025, 04:58:12 PM
by RRK
Is MH Discharge or ceramic? Eleco_SR304 6 4552 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 2397 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 12606 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 27967 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 3022 April 21, 2025, 08:44:27 AM
by Alex
Ballast/Lamp Combinations? (US) Multisubject 6 4078 April 20, 2025, 06:34:57 PM
by Multisubject
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