Road vehicles -- Working voltages for lights fitted to motor vehicles and to their trailers
Specifies a method for measuring the working voltages present at the contacts of the filament lamps in the lighting and light signalling devices, and at the terminals of the trailer connector socket. Applies to vehicles propelled by internal combustion engines and equipped with lead-acid batteries, as defined in ISO 3833 (motorcycles excluded).
A standard is reviewed every 5 years
Revisions / Corrigenda