To provide a zero insertion force electric connector, which supports a tip module, in which a rocking bar can be oriented by the stop equipment designed so that it may be integrated with a base, and to provides an electrical circuit of the tip module and a printed board.

The zero insertion force electric connector (2) includes a base (20) installed with a bottom half groove (200), and a cover (22) installed with a upper half groove (220), and a cam shaft (24) of a stick is accommodated when the above upper half groove is constituted to one perfect groove with the bottom half groove, and this stick contains the cam shaft (240) and a handle (242). Fitting equipment (205) is located in the base rear part and the end part of the bottom half groove, the top end of this fitting equipment is extended forward to be formed in an elastic arm, and a concave groove (209) is arranged in this elastic arm. It maintains that this concave groove is made to hold that can adhere to the one-side edge of a receptacle when the handle is located in its perpendicular direction.