Common cable tray fittings include cable tray elbows, tees, crosses, bends, risers, reducers, bolts and nuts, locks, expansion screws, supporting brackets, suspension rods, cross arms, bases, connecting plates, covers, fixings, cable cleats, and system. Common cable tray fittings include cable tray elbows, tees, crosses, bends, risers, reducers, bolts and nuts, locks, expansion screws, supporting brackets, suspension rods, cross arms, bases, connecting plates, covers, fixings, cable cleats, and system. Cable trays consist of rigid components like supports, connectors, and fittings made of either certain steel alloys or aluminum materials. The right cable trays and fittings provide superior versatility, safety, cost-effectiveness, efficiency, and ease of installation. Learn more about the. Cable tray fittings, also known as cable tray accessories, are additional components that complement and enhance the functionality of cable tray systems. Whether your system uses ladder cable trays, perforated trays, wire mesh trays, FRP, aluminum, stainless steel, or galvanized steel, these. Cable trays, as the name suggests, are structural systems used to hold and support cables and wires in commercial, industrial, and infrastructure settings.