配电柜安装完成后，安装柜上方的的桥架。配电柜进出电缆开孔位置由供货方按尺寸预留。电缆敷设完成后封闭。桥架与柜内接地母排用专用接假山制作 不锈钢铸件 铝箔真空袋 七孔梅花管 hdpe硅芯管 液压钢坝 PVC软管 飞行激光打标机 沥青保温泵地线可靠接地。桥架与配电箱（柜）连接处采用橡胶板连接，以保护导线和电缆，桥架与配电柜连接。
After the installation of the distribution cabinet, install the bridge above the cabinet. The opening position of the incoming and outgoing cables of the distribution cabinet shall be reserved by the supplier according to the size. The cable shall be closed after laying. The bridge and the grounding busbar in the cabinet shall be reliably grounded with special grounding wire. The connection between the bridge and the distribution box (cabinet) is connected with rubber plate to protect the wires and cables, and the bridge is connected with the distribution cabinet