... 3.manufacturer decades years 0.6/1kV CU/PVC/PVC(or PE) Power Cable Description TypeDescriptionNo. of coresNominal cross section of ... voltage:300/300V,300/500V,450/750V*power cable-pvc as insulation material ,pvc as jacket,we call VVcable ( inflame retardant,fire ... 1KV) and medium voltage(6/10kv---35KV).*control cable-PVC as insulation material,pvc as jacket material, ( inflame retardant,fire resistant, ...