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1) The high-voltage cable and the weak current cable in the bridge share one bridge; 2) There are too many cables in the bridge, 40% of the power cable exceeds the clean surface, 50% of the control cable; 3) The cable inside the bridge has no sign (the entrance and exit and the corner) Branch)) 4) The cable in the bridge is not fixed firmly, some are not fixed (especially in the vertical bridge); 5) the cable in the bridge is disorderly arranged and has a splicing phenomenon; 6) the non-galvanized steel plate bridge joint No bridging, poor crossover, poor perception; 7) Bridge and distribution box, panel, cabinet, etc. without cross-connection grounding, the number of grounding of bridge bracket is less than 2; 8) Poor anti-corrosion treatment of bridge deck, rust, poor perception ; 9) bolts and nuts on the bridge plate joints on the inside; 10) bridge plate joints, galvanized steel plates without two bolts are anti-loose nuts or washers, do not meet the requirements; 11) bridge bracket distance is long (1.5-3m), non-one Section 2 bracket, with deformation, hanging ribs, less fixed brackets, can not withstand horizontal forces; bridge linear length > 30m (steel) (aluminum 15m) without expansion joint; 12) bridge, cable span deformation joint without compensation measures; 13) The bridge and other pipes, especially the heating and air conditioning pipes, are too close.

Aluminum Cable Trays, Fiberglass Cable Trays, Steel Cable Trays