A measuring and/or control system, comprising: - at least a first and a second unit, each comprising electronic circuits and at least one socket; - a multipolar cable containing a plurality of wires and having a first and a second end, each provided with a multipolar connector adapted to be coupled to a socket of said first and second units, characterized in that at least one of said multipolar connectors at said first and second ends of the multipolar cable is a fast wiring multipolar connector provided with: - a first body with - a support with two opposite faces, - a first group of electrical contacts fixed to one of the faces of said support and adapted to be coupled to one of said sockets of the first or second unit, - a second group of electrical contacts fixed to the other face of said support; - a second body, adapted to be plugged into the first body and comprising - a frame with a plurality of seats, - a plurality of perforating electrical contacts housed in the seats, configured to perforate an insulating sheath which covers the wires and to fasten and electrically connect the wires and the perforating electrical contacts to each other, said perforating electrical contacts being adapted to be coupled to the second group of contacts of the first body, - a plurality of movable elements coupled to the frame and adapted to cooperate, in said seats, with the wires housed in the multipolar cable in order to fasten and electrically connect the wires and the perforating electrical contacts to each other. - at least a first and a second unit, each comprising electronic circuits and at least one socket; - a multipolar cable containing a plurality of wires and having a first and a second end, each provided with a multipolar connector adapted to be coupled to a socket of said first and second units, - a first body with - a support with two opposite faces, - a first group of electrical contacts fixed to one of the faces of said support and adapted to be coupled to one of said sockets of the first or second unit, - a second group of electrical contacts fixed to the other face of said support; - a support with two opposite faces, - a first group of electrical contacts fixed to one of the faces of said support and adapted to be coupled to one of said sockets of the first or second unit, - a second group of electrical contacts fixed to the other face of said support; - a second body, adapted to be plugged into the first body and comprising - a frame with a plurality of seats, - a plurality of perforating electrical contacts housed in the seats, configured to perforate an insulating sheath which covers the wires and to fasten and electrically connect the wires and the perforating electrical contacts to each other, said perforating electrical contacts being adapted to be coupled to the second group of contacts of the first body, - a plurality of movable elements coupled to the frame and adapted to cooperate, in said seats, with the wires housed in the multipolar cable in order to fasten and electrically connect the wires and the perforating electrical contacts to each other. - a frame with a plurality of seats, - a plurality of perforating electrical contacts housed in the seats, configured to perforate an insulating sheath which covers the wires and to fasten and electrically connect the wires and the perforating electrical contacts to each other, said perforating electrical contacts being adapted to be coupled to the second group of contacts of the first body, - a plurality of movable elements coupled to the frame and adapted to cooperate, in said seats, with the wires housed in the multipolar cable in order to fasten and electrically connect the wires and the perforating electrical contacts to each other.