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High-voltage components and high-voltage safety equipment of mass-produced 1st generation electric vehicles using the example of the VW e-up! At the beginning, general safety instructions are given for handling the HV system in workshops. Then the HV system of the VW e-up! is presented. In addition to the components of the charging and energy supply systems (charging socket, internal charger and HV battery), the components of the drive train (inverter and electric drive motor) are presented. Finally, the HV safety equipment is discussed. The focus here is on the HV cables, the potential equalization, the insulation monitor and the pilot line.