The National Electrical Code (NEC) is the ultimate authority for any cable tray installation. Specifically, NEC Article 392 governs the use, installation, and construction specifications for these systems. With our many years of experience, we are one of the leading manufacturers in this field. One of the most recognized frameworks globally is the IEC standard for. association representing the major electrical equipment manufac-turers in the U. 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. us-trations without notice. The mechanical and electrical characteristics, tests, certifications, overall quality management, recommendations mentioned. With the RS 60 cable tray installation system, we offer you the last installation type of the standard support construction, so that you can implement all installations required in the building project with circuit integrity maintenance on the basis of the standard support construction. Of course. NEMA VE 1 Metal Cable Tray Systems can be obtained from Global Engineering Documents, www.