cap-and-pin insulator

例句：

1. 1.The cap-and-pin insulator was installed to prevent the cable from touching the ground.
   安装这个绝缘帽是为了防止电缆接触到地面。
2. 2. The cap-and-pin insulator is a crucial component of the electrical system.
   这个绝缘帽是电气系统的关键组成部分。
3. 3. The cap-and-pin insulator was designed to withstand high voltage and protect the cable from damage.
   这个绝缘帽被设计用来承受高压并保护电缆免受损坏。