The cable tray cover plate thickness adopts different national standards according to the needs of different projects, including JB/T 10216-2000 national standards, JB/T 10216-2013 national standards, QB/T 1453-2003 national standards and T/CECS 31-2017 national. The cable tray cover plate thickness adopts different national standards according to the needs of different projects, including JB/T 10216-2000 national standards, JB/T 10216-2013 national standards, QB/T 1453-2003 national standards and T/CECS 31-2017 national. us-trations without notice. All illustrations, descriptions and technical information included in this document are provided as indications and can cable trays are equivalent. The mechanical and electrical characteristics, tests, certifications, overall quality management, recommendations mentioned. , is a welded wire-mesh cable management system made of high-strength steel wire. It is used to manage cables for light B manufactures its cable tray in a range of materials with a variety of finishes. The selection of material and finish is a function of the environment in wh tant in a wide range. Cable tray (or cable ladder) systems are a popular alternative to electrical conduit systems, as they have an outstanding record for dependable service, design flexibility and cost savings in commercial and industrial applications. A properly designed and installed cable tray system will provide. This standard specifies the requirements for nonmetallic cable trays and associated fittings designed for use in accordance with the rules of the Canadian Electrical Code (CEC) Part 1, and the National Electrical Code® (NEC). The cable tray cover plate is a straight plate with small flanging on both sides, which is fixed to the bridge tray trough body or ladder rack by clasping, screwing or.