Patent ID: 8323059

Claim:
An electrical connector assembly, comprising: a male connector comprising a male insulating housing and a plurality of first terminals assembled to the male insulating housing, an anti-mistake insertion bulge extending up from a top surface of the male insulating housing; and a female connector comprising a female insulating housing which defines a recess for accommodating the male insulating housing, and a plurality of second terminals, to connect to the first terminals, assembled in the recess, a top surface of the female insulating housing defining an anti-mistake insertion gap communicating with the recess; wherein two opposite sidewalls bounding the gap define two cutouts, respectively to hold the anti-mistake insertion bulge therein; the cutouts are substantially arc-shaped, the anti-mistake insertion bulge is substantially ellipse-shaped, and a long axis of the anti-mistake insertion bulge is substantially perpendicular to an extending direction of the anti-mistake insertion gap when the anti-mistake insertion bulge is held by the two cutouts.