Subject Started by Replies Views Last post
EYE date codes Mandolin Girl 3 6292 October 30, 2021, 08:28:19 PM
by joseph_125
Mysterious Westinghouse HID date dash code Bulbman256 0 4853 September 04, 2021, 11:29:03 PM
by Bulbman256
Sylvania datecodes? Bulbman256 6 11091 August 13, 2021, 09:42:23 AM
by Bulbman256
L.H. Frost / ATC Frost fluorescent ballasts megathread Foxtronix 0 5889 July 19, 2021, 06:11:42 PM
by Foxtronix
Color codes for USSR tubes Jovan 0 5021 April 19, 2021, 03:19:38 PM
by Jovan
Color codes for Philips lamps Jovan 0 4709 April 13, 2021, 12:57:37 PM
by Jovan
Osram changed datecodes again. Alex 1 6608 March 02, 2021, 02:42:20 PM
by James
A comprehensive list of sealed beam lamps (wanted) HomeBrewLamps 3 7038 February 22, 2021, 12:47:54 AM
by wide-lite 1000
OV- 15 manufacturing date? Metal Halide Boy 3 6955 January 22, 2021, 05:20:59 AM
by LightsDelight
Tesla and Tež color codes Jovan 0 4599 December 25, 2020, 12:00:14 PM
by Jovan
Can someone decode this ? Jovan 0 5045 November 24, 2020, 12:48:04 PM
by Jovan
Does any one have Lamp specs for 20 watt CMH funkybulb 5 9785 November 15, 2020, 02:28:46 PM
by lights*plus
Does anyone have ANSI C78.40? (Mercury Lamp Specs) Mr. Orthosilicate 1 10530 September 23, 2020, 10:18:03 AM
by James
Leviton Date Codes flyoffacliff 3 13341 August 19, 2020, 12:14:50 AM
by flyoffacliff
Date Code Calculators joseph_125 1 7432 August 02, 2020, 11:59:19 AM
by sox35
My LM Unistyle CreeRSW207 2 10184 July 16, 2020, 12:59:02 AM
by wide-lite 1000
Date Codes? « 1 2 » wattMaster 20 28513 February 11, 2017, 04:46:57 PM
by James
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