NOVELTY - The solar module (1) has a connection box (2) having guide device by which the contact element housing (8) is guided, and the plug contact element (9) is slidable within contact element housing. The contact element housing and plug contact element with plug contact surface (12) form the portion with projection surface (14') within the top projection (16), in mounting position (3). The contact element housing and plug-in contact element with plug contact surface form the section with projection surface outside the top projection formed from solar module, in contact position (17).    USE - Solar module.    ADVANTAGE - The improper handling does not directly cause damage to persons or things, or the probability for such damages is reduced. The connection system of solar module is automatically produced and can be mounted. The connection box is suitable to imbibe and is more displaceably supported to only one contact element housing and only one plug contact element. The contact element housing summarizes the plug-in contact element at the solar module portion turned away fully to front opening. The guide device of connection box can be designed as cavity, whose internal diameter corresponds to the outer diameter of contact element housing or is larger slight, and is displaceably stored within the contact element housing in a direction. The connection box is more rotatable around 90 degrees. The rotation allows correction of small displacement approximately by material expansion of module surfaces with various overshadowing. The rotation increases flexibility when electrical uniting various solar modules. The preamble can be provided for improved handling at top face with roughening or corrugation.    DESCRIPTION OF DRAWING(S) - The drawings show the side views of the solar module with connection box in mounting position and contact position.    Solar module (1)    Connection box (2)    Mounting position (3)    Contact element housing (8)    Plug contact element (9)    Plug contact surface (12)    Projection surface (14')    Top projection (16)    Contact position (17)