Cable tray accessories, including horizontal elbows, vertical elbows, and straight connectors, are essential components for efficient and secure cable tray installations in various industrial and commercial settings. Facilitates smooth cable routing around corners. maintain spacing or to keep cables in place when the tray is ect the minimum bend ra-dius for cables as they exit the bottom of the cable tray. We need to change the shape to suit the shape of trunking. Your assistance. 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. These fitting are including: elbow, horizontal cross, vertical inside.