500KCM=240MM2 600 KCM=300MM2 More From This User. Cable Weight & Overall Dimensions – Hastings… Cable Weight & Overall Dimensions. XLPE Single Core Cable Cu . Nominal Overall Diameter mm. Approx Weight Kg/100mt. 16mm2. 9.1. 21. 25mm2. 10.6. 30 … Electrical Wire Gauge Comparison ...