A connector including a case including an input and a plurality of outputs, a terminal housing in the case, a plurality of terminals in the terminal housing, in which at least one terminal of the terminals is exposed to the outside through one of the outputs and is connectable to an external terminal that may be inserted into the case, and another terminal of the terminals is exposed to the outside through another one of the outputs and is connectable to another external terminal that may be inserted into the case, and a bus bar that is in the terminal housing and is connected to the terminals, in which at least some of the bus bar is in the input and exposed to the outside of the case.