A high voltage device for a vehicle, which at least during driving operation is supplied with electric energy from a power system providing a high voltage, having at least one high voltage component which by a main power switching unit is electrically connectable to the power system and a grounding switching device having at least one switching device. In order to increase personal safety during work on the high voltage device in a constructively simple manner, it is proposed that the high voltage component has at least one receiving region in which the switching device is accommodated—at least in a grounding position that grounds at least one active section of the high voltage component.