Finally, we look at steel-lined polymer cable trays. These trays combine two materials to get the best of both. These trays feature a multi-layered construction where a robust steel framework is encased within a protective polymer shell, typically composed of PVC. Steel is the most popular material for electrical cable trays due to its unmatched strength. , is a welded wire-mesh cable management system made of high-strength steel wire. The selection of material and finish is a function of the environment in wh tant in a wide range. Common cable trays are made of galvanized steel, stainless steel, aluminum, or glass-fiber reinforced plastic. Advantages of FRP Cable Trays.
