Copper-steel-aluminum cable earthing connector according to DB Netz AG Ril 997.0205A01 guidelines, for earthing, return current conduction and potential equalization in the area of use of railway lines. Consists of two cable lugs with a 13 mm hole for M12 and 17 mm for M16. The copper-steel-aluminum cable structure represents a preventive theft protection measure. Designed for short-circuit currents > 25 kA.