NEMA VE 1 – This standard specifies the manufacturing requirements for metal cable trays (such as; channel cable tray, ladder cable tray, single-rail cable tray, wire mesh cable tray, solid bottom or nonventillated cable tray and trough or ventilated cable tray) and associated. NEMA VE 1 – This standard specifies the manufacturing requirements for metal cable trays (such as; channel cable tray, ladder cable tray, single-rail cable tray, wire mesh cable tray, solid bottom or nonventillated cable tray and trough or ventilated cable tray) and associated. ystems support and route all types of cables. Depending on the type and version of mesh cable tray, as well as the corrosion protection used, the mesh cable tray systems can be mbient temperatures of - 20 °C to + 120 °C. At temperatures below - 20 °C, the material will be any other purpose than. Constructed from high-quality welded steel wire, Cablofil® Wire Mesh Cable Tray is the result of decades of research and over 94,000 miles of installed tray across the globe. The selection of material and finish is a function of the environment in wh tant in a wide range. The works covered within this section includes the provision of all necessary materials, tests and services to completely execute a complete and compliant TOUGHMesh wire mesh cable tray system as described in this specification and as shown by the referenced drawings. ♦ Electro zinc plated–for indoor use to BS EN 12329-2000, 12microns thick.