... 750V (Uo/U), ITS WORKING TEMPERATURE IS DIFFERENT ACCORDING TO DIFFERENT INSULATION MATERIALS, MAINLY 70 AND 90 DEGREES ... PVC INSULATED WIRE WITH DIFFERENT COLORS.ACCORDING TO ITS SHAPE, INCLUDING FLAT WIRE, ROUND WIRE, ETC. WITH DIFFERENT COLORS.ACCORDING TO ITS ... NUMBER, INCLUDING SINGLE CORE WIRES, MULTI-CORE WIRES, ETC. WITH DIFFERENT COLORS.PRODUCING STANDARD: IEC, BS, VDE, ASTM, NFC, CSA ...