Stator for an electrical machine having a plurality of rod conductors, which are distributed radially about an axis of rotation of the stator and are arranged spaced apart from one another in each case, so that the rod conductors extend in the longitudinal direction of the axis of rotation, and having at least one insulation disk, which is arranged in an end face region (2, 3) of the stator, wherein the insulation disk, in particular an annular insulation disk, has a plurality of interconnection pieces, in each case one interconnection piece being assigned to two rod conductors for forming an electrical connection, wherein a rod contact surface is formed at longitudinal ends of each rod conductor and interconnection piece contact surfaces are formed at ends of each interconnection piece, wherein the rod contact surfaces and the interconnection piece contact surfaces are each formed to correspond to one another so as to enable a surface contact, wherein the interconnection pieces protrude in the radial direction from the insulation disk at least along the interconnection piece contact surfaces, thereby enabling a plurality of interconnection piece contact surfaces to be contacted simultaneously with the respectively associated rod conductor contact surfaces wherein the interconnection pieces and the rod conductors form a resilient connection, for providing a preloaded surface contact between the mutually associated rod conductor contact surfaces and interconnection piece contact surfaces, characterized in that the longitudinal ends of the interconnection pieces are wedge-shaped in an axial plan view or angled, wherein angled means that the contact surface of the interconnection piece forms an angle with the tangent of a circle perpendicular to the stator axis and around the stator axis with a radius such that it passes through the contact surface of the interconnection piece, wherein the angle is not equal to an even multiple of 90°. wherein the insulation disk, in particular an annular insulation disk, has a plurality of interconnection pieces, in each case one interconnection piece being assigned to two rod conductors for forming an electrical connection, wherein a rod contact surface is formed at longitudinal ends of each rod conductor and interconnection piece contact surfaces are formed at ends of each interconnection piece, wherein the rod contact surfaces and the interconnection piece contact surfaces are each formed to correspond to one another so as to enable a surface contact, wherein the interconnection pieces protrude in the radial direction from the insulation disk at least along the interconnection piece contact surfaces, thereby enabling a plurality of interconnection piece contact surfaces to be contacted simultaneously with the respectively associated rod conductor contact surfaces wherein the interconnection pieces and the rod conductors form a resilient connection, for providing a preloaded surface contact between the mutually associated rod conductor contact surfaces and interconnection piece contact surfaces, characterized in that the longitudinal ends of the interconnection pieces are wedge-shaped in an axial plan view or angled, wherein angled means that the contact surface of the interconnection piece forms an angle with the tangent of a circle perpendicular to the stator axis and around the stator axis with a radius such that it passes through the contact surface of the interconnection piece, wherein the angle is not equal to an even multiple of 90°.