TL;DR: Basic wireway systems cost $8-15 per linear foot, while heavy-duty cable tray installations range from $12-25 per foot including materials and basic installation. The majority of individuals will consider the cost of the components. Cable trays will tend to be significantly less expensive to use in. Although cable tray systems usually represent a small portion of the total electrical scope, incorrect material selection, late design changes, or fragmented purchasing can significantly increase overall project costs. This guide explains how to control cable tray project costs from a. Ask ten buyers about cable tray cost, and most of them will point to the rate per meter. That number matters, but it's rarely the one that decides whether a project stays within budget.