1. The width and height of the cable tray should be selected according to the table below, and should comply with the relevant standard specifications regarding cable fill rate. Power cables can use 40-50%, and control cables can use 50-70%. An additional 10-25% allowance should be reserved for future expansion.
2. The specifications of various bends and accessories should meet the project layout requirements and be compatible with the cable tray.
3. The selection of supports and hangers should be based on the cable tray specifications, number of layers, span, and other conditions, and should meet load requirements.
4. See the table for the selection of cable tray cross-sectional area.
