System for electrically feeding at least one electrically powered vehicle , comprising at least one suspended elongated element extending along a road section on which the at least one vehicle is adapted to travel, and at least one current collector being adapted to co-act with said at least one elongated element, said elongated element comprising at least one electric conductor being adapted to be electrically energized, said current collector comprising: - at least one contact element being adapted to connect mechanically and electrically with a corresponding electric conductor of said elongated element, and - at least one collector arm supporting at least one contact element at its first end and being adapted to directly or indirectly connect to an electrically powered vehicle with its second end (8"), wherein at least one collector arm is formed by at least two serially arranged arm segments comprising first and second arm segments being directly or indirectly connected to each other, wherein said first arm segment comprises said first end of the collector arm, said first arm segment being provided with forcing means arranged to, when said first arm segment is within a working distance from the elongated element , provide a force towards the elongated element such that the at least one contact element connects with the corresponding electric conductor , wherein said second arm segment is provided with at least one actuator configured to act on the second arm segment to displace the first arm segment to a position within said working distance, characterized in that the at least one suspended elongated element is slotted, and in that the at least one electric conductor is arranged in at least one slot in said elongated slotted element, and in that the system further comprises a sliding device arranged between said first and second arm segments, said sliding device being configured to allow lateral movement of the first arm segment relative the second arm segment . - at least one contact element being adapted to connect mechanically and electrically with a corresponding electric conductor of said elongated element, and - at least one collector arm supporting at least one contact element at its first end and being adapted to directly or indirectly connect to an electrically powered vehicle with its second end (8"), wherein at least one collector arm is formed by at least two serially arranged arm segments comprising first and second arm segments being directly or indirectly connected to each other, wherein said first arm segment comprises said first end of the collector arm, said first arm segment being provided with forcing means arranged to, when said first arm segment is within a working distance from the elongated element , provide a force towards the elongated element such that the at least one contact element connects with the corresponding electric conductor , wherein said second arm segment is provided with at least one actuator configured to act on the second arm segment to displace the first arm segment to a position within said working distance, characterized in that the at least one suspended elongated element is slotted, and in that the at least one electric conductor is arranged in at least one slot in said elongated slotted element, and in that the system further comprises a sliding device arranged between said first and second arm segments, said sliding device being configured to allow lateral movement of the first arm segment relative the second arm segment . <EOS>