Patent ID: 7534126

Claim:
An electrical connection box, comprising: a body; a mounting member attached to the body; a lock arm which is provided at one of the body and the mounting member, the lock arm including: an arm portion; and a first engaging portion provided at the arm portion; a lock receiving portion which is provided at the other of the body and the mounting member, the lock receiving portion including: a receiving portion which has an inserting port to receive the arm portion as the arm portion first enters the receiving portion; and a second engaging portion provided at a surface of the receiving portion so as to be engaged with the first engaging portion, wherein the arm portion extends generally in an inserting direction in which the arm portion enters into the receiving portion; wherein the receiving portion includes a projection which projects from the surface of the receiving portion farther than the second engaging portion from the inserting port so as to abut on the arm portion to locate the lock arm in a predetermined position.