High Load-Bearing Capacity: Suitable for heavy power cables with long-span support. Cost-Effective: Requires less material than enclosed conduit systems, reducing installation and maintenance costs. Improved Safety: Cables remain organized and secure, reducing the risk of electrical hazards. Moisture Accumulation: Solid bottom trays can trap moisture, which may lead to corrosion or cable damage over time. Wire Mesh Tray – Lightweight and easy to. Ladder cable trays are made of strong materials like steel or aluminum, which guarantees their longevity. This feature not. Solid-bottom Cable trays for fiber-optic cable installations where drooping of cables may affect system performance, solid-bottom (non-ventilated) cable trays are preferred.