Cable tray bends are designed to guide cables around obstacles, changes in direction, or elevations in an electrical system. The Cable Tray ng standards, performance standards, test standards and application in this document have been tested extens ompetent professional en completely installed, without damage either to conductors or. The bends, tees, crosses, risers and reducers of wire mesh cable tray can be easily and quickly made live at the project by using a bolt cutter. When a wire cable tray is cut, the fact that a. Wire mesh cable trays are widely used in industrial and commercial installations to support and manage cables effectively. Horizontal 90° Bend (Flat Bend) 2.