... 2, 3, 3+1, 3+2, 3+3, 4, 4+1, 4+2, 5 and so on.b, Construction:Conductor: Solid ... tape Inner sheath: Polyvinyl chloride (PVC) Amour: Galvanized steel wire armored(SWA) or steel tape armored(STA) Sheath: Polyvinyl ... with no restriction of different level.XLPE insulated steel wire armoured power cable: XLPE/PVC insulated power cable has ... -VV,NH-VV22/600/1000V12.5-3002,3,4,3+1,3+22.5-240 wire and cable