Electrical connector arrangement for connecting a power cable to at least one second cable, the electrical connector arrangement comprising: an angled intermediate connector, wherein the angled intermediate connector comprises at least one first arm and at least one second arm, the first arm and the second arm enclosing an angle with a nonzero value different from 180°, wherein the first arm comprises a first cable connector element and a matching second cable connector element attachable to the power cable, and the second arm comprises a first sliding-contact connector element that is formed by a self-locking connector bushing and a matching second sliding-contact connector element formed by a self-locking bolt and attachable to the second cable, the first cable connector element and the first sliding-contact connector element being electrically connected with each other, and wherein the angled intermediate connector further comprises an electrically insulating cover for protecting the first cable connector element and the first sliding-contact connector element, wherein the second cable connector element is formed as a cable connector lug with a palm as end portion, said first cable connector element is a screw connector and is formed as one single integral metal part with the self-locking first sliding contact connector element for attaching, by means of a screw, the palm of the cable connector lug which forms the second cable connector element, so that the cable connector lug encloses with a longitudinal central axis of the self-locking connector bolt an angle with a nonzero value different from 180°, and wherein said self-locking connector bolt is in a state finally mounted to the self-locking first sliding-contact connector element arranged so that the longitudinal central axis of the self-locking connector bolt intersects the palm of the cable connector lug, or wherein the screw connector is arranged so that it is distanced apart from the longitudinal central axis of the self-locking connector bolt in the state finally mounted to the self-locking first sliding-contact connector element. an angled intermediate connector, wherein the angled intermediate connector comprises at least one first arm and at least one second arm, the first arm and the second arm enclosing an angle with a nonzero value different from 180°, wherein the first arm comprises a first cable connector element and a matching second cable connector element attachable to the power cable, and the second arm comprises a first sliding-contact connector element that is formed by a self-locking connector bushing and a matching second sliding-contact connector element formed by a self-locking bolt and attachable to the second cable, the first cable connector element and the first sliding-contact connector element being electrically connected with each other, and wherein the angled intermediate connector further comprises an electrically insulating cover for protecting the first cable connector element and the first sliding-contact connector element, wherein the second cable connector element is formed as a cable connector lug with a palm as end portion, said first cable connector element is a screw connector and is formed as one single integral metal part with the self-locking first sliding contact connector element for attaching, by means of a screw, the palm of the cable connector lug which forms the second cable connector element, so that the cable connector lug encloses with a longitudinal central axis of the self-locking connector bolt an angle with a nonzero value different from 180°, and wherein said self-locking connector bolt is in a state finally mounted to the self-locking first sliding-contact connector element arranged so that the longitudinal central axis of the self-locking connector bolt intersects the palm of the cable connector lug, or wherein the screw connector is arranged so that it is distanced apart from the longitudinal central axis of the self-locking connector bolt in the state finally mounted to the self-locking first sliding-contact connector element.