Subject Started by Replies Views Last post
Date Codes on Lamptech Patrick 1 2193 June 24, 2020, 08:03:11 AM
by sox35
Notice Regarding Posting of Date Code Specs Patrick 0 769 June 20, 2020, 11:18:36 PM
by Patrick
Color codes for USSR tubes Jovan 0 319 April 19, 2021, 03:19:38 PM
by Jovan
Color codes for Philips lamps Jovan 0 114 April 13, 2021, 12:57:37 PM
by Jovan
Westinghouse T8/T12Fluorescent - 1960s/70s - compiled from public domain data TL8W 0 121 April 07, 2021, 07:19:31 PM
by TL8W
Ballast Date Codes joseph_125 3 782 March 17, 2021, 05:32:12 PM
by joseph_125
Osram changed datecodes again. Alex 1 251 March 02, 2021, 02:42:20 PM
by James
A comprehensive list of sealed beam lamps (wanted) HomeBrewLamps 3 416 February 22, 2021, 12:47:54 AM
by wide-lite 1000
OV- 15 manufacturing date? Metal Halide Boy 3 542 January 22, 2021, 05:20:59 AM
by LightsDelight
Tesla and Tež color codes Jovan 0 382 December 25, 2020, 12:00:14 PM
by Jovan
Can someone decode this ? Jovan 0 572 November 24, 2020, 12:48:04 PM
by Jovan
Does any one have Lamp specs for 20 watt CMH funkybulb 5 806 November 15, 2020, 02:28:46 PM
by lights*plus
Does anyone have ANSI C78.40? (Mercury Lamp Specs) Mr. Orthosilicate 1 1900 September 23, 2020, 10:18:03 AM
by James
Leviton Date Codes flyoffacliff 3 1578 August 19, 2020, 12:14:50 AM
by flyoffacliff
Date Code Calculators joseph_125 1 736 August 02, 2020, 11:59:19 AM
by sox35
My LM Unistyle CreeRSW207 2 1456 July 16, 2020, 12:59:02 AM
by wide-lite 1000
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