line-end lock

例句：

1. 1.The engineer used a line-end lock to secure the cables during installation.
   工程师使用线端锁定在安装过程中固定电缆。
2. 2.The line-end lock prevents the cable from being pulled out of the junction box.
   线端锁定防止电缆从接线盒中拉出。
3. 3.The line-end lock is designed to protect the cables from damage during transport.
   线端锁定设计用于保护电缆在运输过程中免受损坏。