This AutoCAD drawing presents a cable tray layout plan with detailed section and dimension specifications for electrical routing systems. The drawing includes straight, left-hand, and right-hand tray configurations with clear width and height measurements labeled as W1 . For the remaining steps, use the Properties palette for conduit settings or the Add Cable Trays dialog box for cable tray settings, as shown next. The cable tray or conduit that you draw inherits the. Access and download T&B cable trays Revit files for free now! Find and download Intergraph Smart 3D CAD VUE files for T&B cable trays. These files are commonly used for 3D modelling and visualization in the design of industrial plants, such as refineries, chemical plants, and power plants. Initiate a New Project Begin by launching AutoCAD Plant 3D. The application will output a detailed bill of materials (BOM) for the cable tray system.