Cable tray elbows, tees, crosses, and reducers are essential fittings used to maintain the proper routing and support of electrical cables within a tray system. We need to change the shape to suit the shape of trunking. The selection of material and finish is a function of the environment in wh tant in a wide range of environments, and easily formable (Appendices II and III). Aluminum's exceptional corrosion resistance, particularly. Creating a 90-degree elbow in an electrical cable tray, often called a "fabricated" or "mitered" bend, involves cutting, bending, and fastening a straight section of tray. The most common method involves creating two 45-degree cuts to form a 90-degree angle. Support. Ensure your cable tray solution is designed for your application, with our vast range of ladder tray fittings.