Explore various cable tray types and sizes for electrical installations. com – the reliable choice for safe, organized, and standards-compliant routing of power, data, and control cables. Learn about ladder, perforated, solid-bottom, wire mesh, and channel trays in this complete guide. Wire Mesh Cable Tray. The Wire Basket Overhead Cable Tray Routing System is a robust cable management solution that optimizes system reliability, space utilization and scalability. Because of its closed design, this type of tray should e used in applications where there is minimal risk of heat generation and buildup.