Conductor: stranded bare copper Cores:2cores,3cores,3+1 cores,3+2 cores,4 cores,5 cores,5+1 cores; PVC insulated,PVC jacket. RVV Flexible Cable ... .We manufacture the lan cable cat3,cat5e,cat6,cat6a,ca7 ,power cable,security cable,coaxial cable,patch cord ,fiber optic etc ... dot com dot cn if you have any question. 2 cores RVV electric cable