Trough-type FRP cable tray is a cable tray with a trough-like shape made from fiberglass reinforced plastic, combining the benefits of a specific design with the advantages of a particular material. Cablofil steel trough trays provide the strength and security required when then need to limit cable access is of primary importance. This robust cable management system features a continuous bottom surface with raised sides, creating a protective. Husky Trough Tray is a cable tray consisting of ventilated or solid bottom contained within longitudinal side members. Our solid bottom trough tray is used to carry smaller instrumentation, data communications, computer, telephone, control and fiber optic cable from one location to another. If your priority is protection, organization, and long-term reliability, this system.