Patent ID: 7044766

Claim:
An automotive electrical connection box in which a casing main body is fastened to a holder by a fastening means, a mating connector provided in the casing main body is connected with a waiting-side connector assembled to the holder substantially simultaneously with the fastening by the fastening means, wherein a stress creating portion is provided for creating a stress substantially balanced with a stress created upon connecting the waiting-side connector and the mating connector, the stress creating portion comprising a dummy housing projecting substantially along a connecting direction from the casing main body and an opening at a portion of the holder substantially corresponding to the dummy housing and into which the dummy housing is fittable, the dummy housing being substantially rectangular and having two opposed long side walls and two opposed short side walls, interference ribs projecting out from each of the short side walls of the dummy housing, the opening of the holder being substantially rectangular and having two opposed long inner peripheral surfaces and two opposed short inner peripheral surfaces for interfering with the interference ribs on the short walls of the dummy housing so that a force for fitting the dummy housing into the opening is substantially balanced with the stress created upon connecting the waiting-side connector and the mating connector.