<p>A pin-like electrical contacts (14) is inserted in to the electrically conductive cage (12) having different contact ends. The two different insulation portions (16,18) are inserted in to the cage and are matched to the respective plug provided at the ends of the cage for fixing of the electrical contacts. The cage, the electrical contacts and the insulation portions are designed such that the different receptacle plug receivers are matched to the respective plugs provided at the ends of the cages.</p>
