The document gives the rules for the international lamp coding system comprises and covers all lamps categories, excluding vehicle lamps. Coding for the main lamp types is specified and for the others, will follow by amendments to this technical specification as appropriate.
DIN 49805:2000 history
2014DIN EN 61231:2014 International lamp coding system (ILCOS) (IEC 61231:2010 + A1:2013); German version EN 61231:2010 + A1:2013
2010DIN EN 61231:2010 International lamp coding system (ILCOS) (IEC 61231:2010); German version EN 61231:2010
2000DIN 49805:2000 International Lamp Coding System (ILCOS); Identical with technical specification IEC/TS 61231:1999