In addition, both sides of the potted component touch directly the naked surface of metal without moving, keeping the compactness of joint.

• 绝缘接头密封元件在接头内部紧靠绝缘板，具有永久的弹性，且密封元件的两面直接与裸露金属表面接触不会移动，确保了接头的紧密性。