Installing cable trays for desks or cable trays desk organizers keeps wires neatly arranged, preventing tangling and reducing tripping hazards. These trays are lightweight, easy to mount under tables, and ideal for offices, co-working spaces, and home setups. The Cable Tray ng standards, performance standards, test standards and application in this document have been tested extens ompetent professional en completely installed, without damage either to conductors or. Explore various cable tray types and sizes for electrical installations. Learn about ladder, perforated, solid-bottom, wire mesh, and channel trays in this complete guide. What is Cable Tray? A cable tray is a unit, or set of units. Below are the top 7 types of cable trays and their applications, along with their key advantages. Applications: Power plants and substations, Heavy.