... copper wire 2. copper purity-99.97% 3.CCC,CE,ROHS certificate 4.Professional QC inspection 5.Free Sample 1.stranded housing copper ... wire2. copper purity-99.97%3.CCC,CE,ROHS certificate4. ... Free Sample1 StandardGB 5023.11997 , JB 8734.15-1998, Q/ZEL 02-2002, GB 5023.17-1997, IEC2272 Voltages ... .4 16.5 0.268 0.0045 stranded copper wire