Generally, after the shell of box-type transformer is installed and put into operation, a protective fence will be installed 50 cm or 1 m away from the box-type transformer to prevent outsiders from entering. Thirdly, the shell of box transformer is marked with warning signs or warning boards of high voltage danger. Generally, the shell of box-type transformer is locked by a door, and the door lock equipped on the box-type transformer shell by ordinary equipment maintenance personnel is almost an ordinary anti-theft lock. Even better, the door lock is combined with the intelligent monitoring system, and an emergency alarm device is adopted as a whole.

Box transformer shell