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 tray supports are critical for several reasons: Safety: Improper support of cables can lead to cable sagging and potential electrical hazards. Organization: Supports keeping cables organized and preventing tangling. Accessibility: The design of the tray allows for easy access to all cables. Cable tray fitting accessories, also known as cable tray accessories, are a wide range of components used to connect, support, or change the direction of mathed cable trays. Unlike a simple wire trough, which is typically a covered channel for shorter runs, cable trays provide a comprehensive support system for complex wiring paths over long.