Automotive electrical connection box and method of assembling thereof

摘要

An automotive electrical connection box ( 10 ) has a casing main body ( 11 ) fastened to a holder ( 20 ) by a bolt (B). A mating connector ( 12 ) is mounted in the casing main body ( 11 ) and is connected with a waiting-side connector ( 21 ) in the holder ( 20 ) simultaneously with the fastening by the bolt (B). A dummy housing ( 13 ) projects from the casing main body ( 11 ) at a side of the bolt (B) opposite the mating connector ( 12 ), and an opening ( 22 ) is provided at a portion of the holder ( 20 ) corresponding to the dummy housing ( 13 ). The dummy housing ( 13 ) and the opening ( 22 ) engage and create a stress to balance a stress created upon connecting the waiting-side connector ( 21 ) and the mating connector ( 12 ).