DIN VDE 0891-2-1990 电缆和绝缘导线在电信设备和信息处理设备上的应用.符合DIN VDE 0812的单根导线和多股绞合导线的设备用导线的特殊用法
Use of cables and insulated wires for telecommunication systems and information processing systems; special directions for equipment wires with solid or stranded conductors according to DIN VDE 0812