Central disc of an electric installation device for depositing and electrically charging a mobile audio and communication device

The cover plate (1) has a front panel (2) and a storage tray (3). The storage tray is fixed to the front panel. Multiple cable labyrinths (4,5) are provided in storage tray for guiding the charging cable. An electrical connection interface is integrated in the storage area of the storage tray. A supporting rib (6) is arranged between the front panel and storage tray. An independent claim is included for adapter for mobile audio and communication equipment.