1, Free Samples 2,99.995% pure copper 3,Professional QC inspection 4,VDE,UL,CCC, ... Hours 1 StandardGB 5023.11997 , JB 8734.15-1998, Q/ZEL 02-2002, GB 5023.17-1997, IEC2272 Voltages U0 ... switching stations, under ground installation .4 Construction : 1- Solid Copper Conductor 2- PVC insulation5 Chinese Model and Name ModelNameBVCopper Core ... .522.032.50.0990.1640.00321808.0668.0 Copper Core Electric Wire