This standard ensures safety, durability, and performance across various environments. 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. 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). Copyright © 2008 by the Institute of Electrical and Electronics Engineers, Inc., is a welded wire-mesh cable management system made of high-strength steel wire.