An electrical line (1) for motor vehicles is provided having at least two insulated electrical conductors (4, 5) which are combined to form one unit. The line is connected to a sensor (3)at one end. The conductors (4, 5) are surrounded by a prefabricated plastic tube (6). Parts (7), integrally belonging to the tube (6), are positioned on the outside along the course of the tube (6) as fastening devices for securing the line (1) at predefined fixed points of a motor vehicle. At those fixed points, fastening parts are present that are configured to connect with and that complement the parts (7) of the tube (6).