Electrical connection box

摘要

An electrical connection box includes an upper casing which has a peripheral wall and a locking portion provided on the peripheral wall; a lower casing which has a peripheral wall and a mating locking portion provided on the peripheral wall; wherein the peripheral wall of one of the upper and lower casings is fitted into the peripheral wall of the other of the upper and lower casings such that the electrical connection box is assembled through engagement of the locking portion of the upper casing with the mating locking portion of the lower casing; a bracket engageable portion which is projected from the peripheral wall of the one of the upper and lower casings such that the electrical connection box is mounted on a vehicle body through engagement of the bracket engageable portion with a bracket secured to the vehicle body; and a rib which is provided on the peripheral wall of the other of the upper and lower casings and is inserted into a groove formed on the peripheral wall of the one of the upper and lower casings so as to be enclosed by the peripheral wall of the one of the upper and lower casings.