As you draw cable tray, Revit automatically adds fittings. From the Type Selector, select the cable tray fitting type that you want. Adding cable tray in Revit | Autodesk Products Top products AutoCAD Revit Forma Site Design AutoCAD LT Forma Design Collaboration Inventor Fusion Fusion extensions Navisworks 3ds Max Maya Arnold Flow Studio Flow Production Tracking View all products View Mobile Apps Collections Architecture. This Revit tutorial walks through setting up cable tray in revit mep, covering essential tools and techniques for your projects. Welcome back to the CAD Teacher VDCI video course content for the BIM 321 course, Introduction to Revit MEP. Whether you're a beginner or an ex. In this video, I'll guide you through the process of importing an Electrical Cable Tray CAD file into Revit and developing a detailed cable tray model.