Explore various cable tray types and sizes for electrical installations. Learn about ladder, perforated, solid-bottom, wire mesh, and channel trays in this complete guide. Wire Mesh Cable Tray. The Cable Entry Systems from Panduit offer a safe, organized method to transition both terminated and unterminated cables through enclosures and electrical equipment, providing strain relief while maintaining IP/NEMA ingress sealing ratings. The unique shape of our cable trays results in up to 50% extra capacity in specific applications compared. Understanding the types of cable containment systems, including trays, trunks, and conduits, helps engineers and contractors select the best solution for performance, safety, and compliance. Each system offers unique benefits depending on the environment, cable load, and future accessibility.