A plug receptacle comprises a receptacle housing having a passage configured to receive at least a part of a plug of a plug connector, a front side having a first opening and a top side having a second, elongated opening that intersects the first opening, the passage opening to the front side via the first opening and to the top side via the second opening. The plug receptacle comprises at least one plug receptacle cover that is configured to move between a cover position and an elevated position. In the cover position, the at least one plug receptacle cover covers the second opening at least partially. In the elevated position, the at least one plug receptacle cover is elevated outwards along its entire length, so that the at least the part of the plug partially extends through the second opening.