The 90 degree bend for 450mm medium duty cable tray is a strong and reliable elbow fitting. Manufactured from pre-galvanised steel, this medium gauge connector provides durability and corrosion resistance. Whether you're working around obstacles, adjusting for structural elements, or simply designing a clean, efficient layout, these bends make it easy to route cables without compromising. A 90 Degree Bend Perforated Cable Tray is a specific type of cable tray configuration designed to facilitate changes in direction for routed cables at a right angle, creating a square turn. more Audio tracks for some languages were automatically generated. How to make a 90 electrical. Medium Cable Flat 90 degree bends.