... core, PE insulation, PVC sheath, woven Cu wire, Cu tape, steel tape armoured, Al/plastic compound film, XLPE insulation, PVC insulation, F46 ... not be less than 2,500MΩ.km after charging stably for 1min with DC voltage of 500V 7) The circuit should ... should withstand the voltage test of 50Hz, AC 2,000V for 5mins between the cable wire core and wire core and ...