... , 4+1, 3+21.5~800mm2ZA-VV ZB-VV ZC-VVCopper conductor/PVC insulation flame-retardant Power Cable1, 2, 3, 4, 3+1 ... ,300/500V,450/750V*power cable-pvc as insulation material ,pvc as jacket,we call VVcable ( inflame retardant,fire resistant, LSOH(Low Smoke ... voltage:0.6/1KV*power cable-xlpe as insulation material,pvc as jacket material,we call YJV cable ( inflame retardant,fire resistant, LSOH(Low Smoke ...