Our engineer's guide helps you choose the right outdoor cable tray based on environment, load, and corrosion resistance. Select HDG, Aluminum, or FRP with confidence. Cable trays and cable trenches are two widely used methods for organizing and protecting electrical cables in industrial, commercial, and residential setups. While they serve the common purpose of routing and securing cables, these systems differ in design, application, installation, and. Grounding: Metallic trays (Steel, Aluminum) can be used as part of the equipment grounding conductor, but this must be designed and labeled per code (e. The biggest difference is how they're installed—trays are exposed. Use this before the first formal review (internal/external). Applies to above-ground tray/ladder routes, buried trenches/duct banks, HDD crossings, and sitewide corridors for power, control, instrumentation, F&G, telecom, and fiber.
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