... good selling stranded bare copper conductor, XLPE insulated, double steel tape armour and PVC outersheathed N2XBY SpecificationsPVC Insulation Sheath Fire- ... with 5 cores to users2. Neutral wire can adopt double-color wirePVC Insulation Sheath Fire-resistant Power Cable good ... selling stranded bare copper conductor, XLPE insulated, double steel tape armour and PVC outersheathed N2XBY cable