The Wyr-Grid Overhead Cable Tray Routing System has been proven to reduce labor posts by 50% when benchmarked against existing wire basket and ladder rack systems.Strong The Wyr-Grid® Overhead Cable Tray Routing System has been validated through both analytical and physical testing to meet industry standards for allowable deflection. Simple The Wyr-Grid® Overhead Cable Tray Routing System reduces the number of individual components and labor required to create common connections. Fewer components and less labor equal a simpler installation