... insulation(mm)Thickness of sheathSheathMaxi resistance of conductor at 70°C (Ω/km)Specified (mm)Mini value(mm)Specified (mm)Mini value(mm ... dielectric strengthNot breakdown at 1500V, 1minTest of insulation resistance20°C≤200MΩ, km/70°C≤0.3MΩ,kmBroken, mixture wire of conductor(continuity)No ...