Fronius Wattpilot Go 22 J 2. Transportable Wallbox. Legal Regulations Notice: Please observe the applicable legal regulations for the installation, connection, and operation of charging devices. The installation and commissioning (connection) of the charging station may only be carried out by a qualified company that is registered in the installer directory of a network operator (see § 13 Low Voltage Connection Ordinance). This means that only those who operate as a registered installation company are permitted to carry out this work. Private individuals cannot perform these activities, regardless of their professional qualifications.