Made from perforated sheet steel, the standard cable tray consists of a simple flat tray with a turned up edge. The mechanical and electrical characteristics, tests, certifications, overall quality management, recommendations mentioned in this technical guide only apply to our own cable management ranges and cannot under any circumstances be transpos the enclosure. Use dedicated splice plates and bolts. Use dedicated splice plates and bolts. 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. They should be directly supported by a suitable support device. For sizes that do require a pair of couplers, they are.