The invention relates to an electric connector (100) having electric contact elements (206) to which an electric contact may be established using contacts of a matching plug by insertion of the plug into the electric connector (100) via an outlet (202), said electric connector also comprising a hollow space (106) in which a substantial intermediate length of one or more electric contact elements (206) is exposed via an upper input (110), and a dust cover (108), attachable in a removable fashion via the upper input (110) in order to prevent impurities from entering the hollow space (106).