Maximum dc code overall rated resistance name steel total aluminium steel diameter aluminium steel total strength at 20 oc awg or awg or mcm mcm mm mm mm kn km weight mm2 kgkm kgkm kgkm astm sizes equivalent aluminium copper area area stranding and wire diameter mm2 mm2 mm2. Variable steel core stranding enables desired strength to be achieved without sacrificing ampacity. All lengths outside this limit of tolerance shall be treated as random lengths. Used as bare overhead transmission cable and as primary and secondary distribution cable. Conductor sizing and protection calculations unit 6 authors comment. Applications used as bare overhead transmission conductor and as primary and secondary distribution conductor and messenger support. Conductor data sheet aluminum conductors steel reinforced acsr approx. This website provides a wire size calculator, voltage drop calculator. This website provides a wire size calculator, voltage drop calculator, wire ampacity charts and more. Products southwire is one of the worlds leading manufacturers of wire and cable, tools, components and assembled solutions. Aluminum alloy 50h119 wires, concentrically stranded around a steel core available with class a, b or c. Aluminum conductor steel reinforced bare applications used as bare overhead transmission conductor and as primary and secondary distribution conductor and messenger support.