Patent ID: 7232950

Claim:
An electric connection box comprising: a connection box body; a provisionally-placing projection formed on an outer surface of said connection box body; a first mounting portion which has a first screw passage hole, and is formed on said outer surface; and a second mounting portion which has a second screw passage hole, and is formed on said outer surface; wherein said provisionally-placing projection is inserted in a provisionally-placing hole in a mounting member, and a first screw is passed through said first screw passage hole and a first screw hole in said mounting member, while a second screw is passed through said second screw passage hole and a second screw hole in said mounting member, thereby mounting said connection box body on said mounting member; and said provisionally-placing projection has a constricted engagement portion; and when said connection box body is to be mounted on said mounting member, said engagement portion is disposed such that its outer peripheral surface is surrounded by a hole-defining peripheral surface of said mounting member defining said provisionally-placing hole, and a gap is formed between said engagement portion and said hole-defining peripheral surface.