... :300/300V,300/500V,450/750V*power cable-pvc as insulation material ,pvc as jacket,we call VVcable ( inflame retardant ... ) and medium voltage(6/10kv---35KV).*control cable-PVC as insulation material,pvc as jacket material, ( inflame retardant,fire resistant, ... armoured cable ) the rated voltage:low voltage450/750V*rubber as insulation material and rubber as jacket material (like welding cable, waterproof ...