DS EN 50149:2012
DS EN 50149:2012 Railway Applications - Fixed Installations - Electric Traction - Copper And Copper Alloy Grooved Contact Wires Defines the characteristics of copper and copper alloy wires of cross sections of 80 mm[2], 100 mm[2], 107 mm[2], 120 mm[2] and 150 mm[2] for use on overhead contact lines.