Whether you're working on an industrial, commercial, or data center project, this step-by-step guide will help you get it done safely and efficiently. The mesh cable trays are suitable for the installation of power cable and cables in various areas of application. Cable trays are attached to wall support. In this video, we'll walk you through the entire process of installing a wire mesh cable tray system, from preparation to completion. This should produce 2 different profiles (see diagrams). For Piece 1, remove the right side longitudinal wir s to a length of 9/32” smaller then the width of the tray. But before you lay the first tray or clamp down a single cable, you need a solid plan.