16 Marking and instructions16.1 Installation manual of EV charging stationsThe installation manual of EV charging stations shall indicate the classification as given in Clause 5. The EV supply equipment manufacturer shall state the interface characteristics specified in Clause 5 of IEC TS 61439-7:2014 in the manual where applicable. Wiring instructions shall be provided.If protective devices are included in the EV charging station, the manual shall indicate the characteristics of those protection devices explicitly describing the type and rating. The information may be provided in a detailed electric diagram. If the protective devices are not in the EV charging station, the manual shall indicate all information necessary for the installation of external protection explicitly describing the type and rating of the devices to be used.It is recommended that the installation manual be made available to future customers. If the EV charging station has more than one connection of the equipment to the AC supply network, and does not have individual protection for each connecting point to the vehicles, then the installation manual shall indicate that each connection of the equipment to the AC supply network requires individual protection. The installation manual shall indicate if the optional function for ventilation is supported by the charging station (6.3.2.2).