The invention discloses an insulating body (1) which is provided for receiving and/or electrically contacting at least one conductor of a cable to be connected or for fitting onto a printed circuit board, the insulating body (1) being adapted to be introduced into a dedicated chamber of a plug connector housing and having at least one recess (11) for at least one contact element (13) which can be connected to the individual conductor of the cable to be connected or to a conductor track of the printed circuit board, and including a shielding element (20) by which the contact element is electromagnetically shielded, the insulating body (1) being formed of at least one first component (2) and one second component (10), the first component (2) containing a doping so that the surface of the first component (2) can be provided with a conducting coating (6) by an electroplating process, the shielding element (20) being formed from the conducting coating of the first component (2).