Cable tray bends are designed to guide cables around obstacles, changes in direction, or elevations in an electrical system. 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. The Ladder Tray features light, rugged, tubular steel construction. What Are Bend Basket Cable Trays? Bend basket cable trays are a type of cable management system that allows. There are several types of cable trays, including ladder, perforated, solid bottom, basket, and channel trays.