... Electrial wires series include the following) : * Solid copper (or aluminum) conductor, PVC insulated single core electrical wire * Stranded copper conductor, PVC ... insulated single core electrical wire * Solid copper conductor, PVC insulated and PVC sheathed ... two cores or three cores) 5). Norminal cross section size of conductor: 0.5mm2, 0.75 mm2, 1.0 ...