Cable tray pricing depends on materials, coatings, size, supplier margins, and order quantity —plus hidden costs like shipping and installation. The global cable tray market is experiencing robust growth, driven by increasing infrastructure development, the expansion of data centers, and the adoption of smart technologies. The market was valued at USD 5. 2 Why is Conduit So Expensive? 8. This guide breaks down everything buyers need to know, from price trends to cost-saving tips. These cable trays are designed to hold and support various. Cable tray are used in wiring of buildings to support electrical cables and wires that are used to distribute power, controls and communication.