The stepped cable tray has been improved and designed based on relevant domestic and foreign data. It has the advantages of light weight, low cost, unique design, convenient installation, and heat dissipation. It is suitable for laying cables with larger diameters and for laying high and low voltage power cables.
1) The laying direction of cable trays and trunking should be short and concise, and should be laid along walls, columns, or beams as much as possible.
2) According to the laying direction of cable trays and trunking, propose to the civil engineering and structural professions the location and load of pre embedded steel plates required for the installation of reserved wall holes, floor holes, and hangers. And it should be coordinated with the craft profession, plumbing profession, and power profession.
3) Concealed metal trunking wiring on the ground should be designed in close coordination with the civil engineering profession, in order to reasonably determine the route and equipment selection based on different structural types and building layouts.
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