Cable tray pricing depends on materials, coatings, size, supplier margins, and order quantity —plus hidden costs like shipping and installation. Cable trays are essential components in electrical infrastructure, providing structured support and protection for power, control, and communication cables. The price is based on standard length of the cable tray which is 2. For the. Choose from our selection of cable trays, including over 850 products in a wide range of styles and sizes. The rungs allow cable to enter and exit anywhere along the span, and they facilitate future changes. Whether you need hot-dip galvanized steel, stainless steel, or halogen-free plastic systems.