This standard BS EN 1648-2:2018 Leisure accommodation vehicles. 12 V direct current extra low voltage electrical installations is classified in these ICS categories:
43.100 Passenger cars. Caravans and light trailers
43.040.10 Electrical and electronic equipment
This European Standard specifies safety, health and functional requirements for 12 V direct current (DC) extra low voltage (ELV) electrical installations for habitation aspects of motor caravans. It applies only to installations which are electrically connected with the electrical installation of the base vehicle or which can be electrically connected with it by means of change-over devices. This European Standard also specifies the ELV output requirements of low voltage (LV) equipment that may be used to provide an ELV supply but it does not specify safety, technical and functional requirements for LV appliances and installations. Requirements for LV installations are specified in HD 60364 7 721.