Terminals: in explosive situations must complete sealing of the terminal box, the general situation can also be used heat shrink tubing and quick-drying silicone seal.

终端：在易燃易爆场合必须采用配套的终端密封盒，一般场合也可以采用快干硅胶和热缩套管密封。

youdao

Use a hair dryer or heat gun to shrink the teflon tubing.

使用吹风机或热风枪缩小聚四氟乙烯管材。

youdao