The reversed-pair fault occurs when a wire pair is correctly installed on one connector, but reversed on the other connector.
反接对线错误发生在线对是正确安装在一连接头时，但是在另一个连接头却反接。
2
For the sudden fault of transmission parts in high speed wire rolling mill, the fault diagnosis based on the vibration measurement is an effective method.
针对高速线材轧机传动零部件的突发故障，开展基于振动测试的故障诊断研究可以有效加以避免。
3
The conductive loop partial overheat fault caused by improper design and installation of the through lead wire in transformer bushing is analyzed. The preventive measures are presented.