Patent attributes
A vehicular circuit body includes a trunk line that includes a power source line having a predetermined current capacity and a communication line having a predetermined communication capacity, and that is routed in a vehicle body, a branch line that is directly or indirectly connected to an accessory, and a plurality of control boxes that are disposed in a distribution manner along the trunk line, each having a control unit that distributes at least one of power from the power source line, supplied to the trunk line, and a signal from the communication line, to the branch line connected to the trunk line. The trunk line is formed of a routing material having at least one kind of conductor among a flat conductor, a round bar conductor, and a stranded wire. The communication line of the trunk line is routed so that the plurality of control boxes are connected in a ring form.
