... .300-500V,450-750V 2.2cores,3cores Twin Flat wire with earth PVC insulated PVC sheathed1.Standard:GB5023-1997,JB8734 ... for surface wiring,indoor or outdoor.4.Specification:Annealed copper wire conductor,solid or stranded copper conductor,PVC insulated PVC ... .Number of cores:2cores,3cores. 6.Detailed specification: TWIN FLAT CABLE WITH EARTH PVC/PVC INSULATED/SHEATHED(BVVB)AreaTwin sizeEarthsizeOverall ...