Electric connector comprising: - a connector body having a front end and a rear end, - a plurality of contact elements mounted within the connector body and able to be coupled with mating contact elements at the front end of the connector body, - said contact element being connectable to respective wires of an electric cable provided with a sheath, and - means for clamping the electric cable within said connector body, characterised in that said means comprise: - a cable clamping tubular portion having clamping longitudinal tabs (6a1) which are elastically deformable, said portion being connected to said connector body, - a wedge-like locking bush having an inner conical surface, mounted above said longitudinal tabs of said cable tubular clamping portion, - a locking ring-nut which can be tightened above a threaded portion (2b3) of the rear end of the connector body, for axially urging said wedge-like bush above the tabs (6a1) of said cable clamping portion so as to clamp the cable within said tabs (6a1), - a sealing ring for engagement on the cable and interposed between said wedge-like locking bush and said locking ring-nut, so as to prevent the passage of water at the rear end of the connector, and - a sealing ring interposed between said locking ring-nut and said connector body, so as to prevent the passage of water at the central portion of the connector. - a connector body having a front end and a rear end, - a plurality of contact elements mounted within the connector body and able to be coupled with mating contact elements at the front end of the connector body, - said contact element being connectable to respective wires of an electric cable provided with a sheath, and - means for clamping the electric cable within said connector body, characterised in that said means comprise: - a cable clamping tubular portion having clamping longitudinal tabs (6a1) which are elastically deformable, said portion being connected to said connector body, - a wedge-like locking bush having an inner conical surface, mounted above said longitudinal tabs of said cable tubular clamping portion, - a locking ring-nut which can be tightened above a threaded portion (2b3) of the rear end of the connector body, for axially urging said wedge-like bush above the tabs (6a1) of said cable clamping portion so as to clamp the cable within said tabs (6a1), - a sealing ring for engagement on the cable and interposed between said wedge-like locking bush and said locking ring-nut, so as to prevent the passage of water at the rear end of the connector, and - a sealing ring interposed between said locking ring-nut and said connector body, so as to prevent the passage of water at the central portion of the connector. - a cable clamping tubular portion having clamping longitudinal tabs (6a1) which are elastically deformable, said portion being connected to said connector body, - a wedge-like locking bush having an inner conical surface, mounted above said longitudinal tabs of said cable tubular clamping portion, - a locking ring-nut which can be tightened above a threaded portion (2b3) of the rear end of the connector body, for axially urging said wedge-like bush above the tabs (6a1) of said cable clamping portion so as to clamp the cable within said tabs (6a1), - a sealing ring for engagement on the cable and interposed between said wedge-like locking bush and said locking ring-nut, so as to prevent the passage of water at the rear end of the connector, and - a sealing ring interposed between said locking ring-nut and said connector body, so as to prevent the passage of water at the central portion of the connector.