IEC 60809:2014 is applicable to replaceable and standardised lamps (filament lamps, discharge lamps and LED light sources) to be used in headlamps, fog-lamps and signalling lamps for road vehicles. In some applications, these lamps may be installed as non-replaceable. This third edition cancels and replaces the second edition (1995), its Amendment 1 (1996), its Amendment 2 (2002), its Amendment 3 (2004), its Amendment 4 (2009) and its Amendment 5 (2012). This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition: a) the introduction of requirements for non-replaceable filament lamps; b) the introduction of requirements for LED light sources.