A perforated cable tray system is a comprehensive cable management solution that utilizes a tray with holes (perforations) in the base to allow for ventilation and drainage, while still supporting cables securely. Our cable trays are produced in fit for purpose materials like stainless steel, galvanized, aluminium and fibreglass (FRP/GRP) composites to suit any project type both offshore and onshore. We also. Check each product page for other buying options. Cables and utilities installed within. Cable tray systems are engineered support structures designed to route, support, and protect insulated electrical cables used for power distribution, control, instrumentation, and communication.