Abstract: The present invention is intended to provide a novel assembly for properly or accurately mounting the terminal portion of the bus bar on the terminal-accommodating portion of a body for an electric junction box without doing any harm to an electrical conduit(s) which is disposed within the electric junction box. An assembly for mounting a bus bar (1) to a body (12) for an electric junction box, comprises a hole (9) disposed in the bus bar (1), and having a burr (31) created during the hole punching process; and a projection (21) formed in the body (12), and suited for being press-fit into the hole (9), wherein the projection (21) extends beyond the burr after being press-fit into the hole (9). In this configuration, the hole (9) may serve as a basis for position determination of each terminal portion (3, 4) of the bus bar (1), and the projection (21) may serve as a basis for position determination of each terminal-accommodating portion (25) of the body (12).