Lamp caps and holders together with gauges for the control of interchangeability and safety -- Part 1: Lamps Caps (IEC 60061-1:1969 + Ergänzungen A:1970 to V:1997 + A21:1998 bis A58:2018, modified) (english version)
Lamp controlgear -- Part 2-13: Particular requirements for d.c. or a.c. supplied electronic controlgear for LED modules (IEC 61347-2-13:2014 + A1:2016) (english version)