This advanced method utilizes intelligent design principles and precise techniques to directly form (45-45) 90° elbows from standard cable trays. The result is a seamless, one-piece construction that combines aesthetic appeal with structural integrity, while eliminating. This video shows metal fabrication techniques, DIY cable tray projects, and tips for perfect bends and joints. Whether you are a DIY enthusiast, electrician, or metalworker, this tutorial will help you create cable tray elbows like a pro. However, an innovative welding-free solution is transforming the industry. The method gives details of how the work will be carried out andThe method for producing bridge bend elbows is as follows: Take a 90-degree cable tray bend elbow as an example, and apply the same principles for 45-degree bends accordingly. The length of the bottom side (bottom diagonal) after bending the cable tray should be equal to the width of the cable. This publication is intended as a practical guide for the proper and safe* installation of cable ladder systems, cable tray systems, channel support systems and associated supports. Cable ladder systems and cable tray systems shall be manufactured in accordance with BS EN 61537, channel support.