Abstract: The invention relates to a vehicle-side socket of a charging connector, in particular for industrial vehicles, comprising a first main contact and a second main contact, which are adapted to be connected to a charging connector, as well as an auxiliary contact, which, in the operating condition of the vehicle, with the charging connector removed, is electrically connected to one of the main contacts via a contact bridge, the contact bridge having a first end captively connected to the auxiliary contact and being adapted to be transferred from a first position, at which said main contact is free for attaching the charging connector thereto, to a second position, at which the contact bridge connects the auxiliary contact to said main contact.