Cable trays simplify the wiring system design process and reduces the number of details. A spread sheet based wiring management program may be used to control the cable fills in the cable tray. Cable trays are an essential component in modern infrastructure, serving as a practical and efficient solution for organising and routing structured cabling and electrical wires. They provide a safe and reliable way to manage the complex network of cables that run throughout buildings, data. Most projects are roughly defined at the start of cable tray design. For projects that are not 100 percent defined before design start, the cost of and time used in coping with continuous changes during the engineering and drafting design phases will be substantially less for cable tray wiring. 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. Cable tray accessories are crucial components that transform simple tray sections into a complete, functional cable management system.