Wire Mesh Cable Tray provides A job site, field adaptable support system primarily for low voltage, telecommunication and fiber optic cables. These systems are typically steel wire mesh, zinc plated. standard widths of 2, 4, 6, 8, 12, 16, 18, 20, and 24 inches standard depths of 1, 2, and 4 inches standard length of about 10 feet (118) Wire Mesh tray is generally used for telecommunication and fiber optic applications and are installed on short support spans, 4 to 8 feet.