Patent ID: 7972157

Claim:
An electrical connection device for electrically connecting a rotating electrical machine and an inverter device in a case that accommodates the rotating electrical machine and the inverter device that controls the rotating electrical machine, comprising: a first bus bar connected to a terminal of the rotating electrical machine in a state in which the first bus bar is insulated from the case; a second bus bar connected to a terminal of the inverter device in a state in which the second bus bar is insulated from the case; and an insulating connection member that connects the first bus bar and the second bus bar, wherein the first bus bar and the second bus bar have opposing portions, respectively, and in a state in which the first bus bar and the second bus bar are accommodated in a space inside the case, which is isolated from outside by the case, the opposing portions of the first bus bar and the second bus bar are positioned so as to face each other with a gap therebetween, and the connection member enters the space inside the case through a wall of the case, and pinches the opposing portions of the first bus bar and the second bus bar to electrically connect between the opposing portions.