Cable tray supports must be designed and installed per IEC 61537, NEMA VE 2, NEC, and ISO standards, with proper spacing (1. 5–3 m), alignment, earthing, fire protection, and structural stability. Correct installation ensures safety, reliability, and compliance in electrical. 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). Our focus has always been on solutions from the field of cable support systems. Cable trays are a safe, durable, and cost-effective method of cable management for commercial and industrial applications. The three main types of cable tray are: Perforated Cable Trays. These. Senior Electrical Engineer, QA/QC Supervisor,Electrical Specialists, Sr QA/QC engineer or inspector, E&I Engineer QMS-ISO-9001-2015 (CQI-IRCA) Registered With SCE --QMS-ISO®️️ Lead Auditor RC,NEOM and SEC Approved 1. The Cable Tray ng standards, performance standards, test standards and application in this document have been tested extens ompetent professional en completely installed, without damage either to conductors or.