The utility model relates to an electric power security domain, specific two output nodes protection pressing plate that says so, including the base, operating handle and terminal stud, operating handle rotates with the base and is connected, the terminal stud is through bolt and base fixed connection, be equipped with first connection piece and second connection piece in its characterized in that operating handle, a first connection piece left side, right side both ends are equipped with first participating in respectively, a second connection piece left side, right side both ends are equipped with the second respectively and participate in, the on -line screen storage device comprises a base, corresponding complex slot is participated in to the second, the tip is equipped with and participates in with first under the base, corresponding terminal stud is participated in to the second, terminal stud tip under bolt and base is fixed mutually, but has real -time supervision clamp plate position, advantage such as prevent that the clamp plate from miscarrying.