According to the 2013 standard, the maximum thickness of steel cable tray plate is 2. 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. Our Cable Tray Design Considerations Guide details key factors to consider when designing cable tray systems for industrial and commercial applications. Perforation patterns and sidewall height should always be considered when calculating fill and heat dissipation. Channel cable trays are narrow, compact systems. SS304, and SS316.