Abstract: A device for grounded securing of an element (1) at a hole (9) in a metal plate (10) comprises members (6, 13) movable on both sides of the plate towards each other and the plate for securing the element to the plate and means (12) adapted to establish an electrical connection between the metal of the plate and the element, These means (12) are arranged to enter into radial abutment on the circumferential wall (27) of the hole while establishing said electrical connection.