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. This guide covers the critical steps, from selecting the right electrical cable tray and performing accurate cable fill calculations to managing a safe cable pull through and ensuring all bonding and grounding requirements are met. For licensed electricians, mastering these principles is essential. This is the role of the cable tray system—a structured framework designed to support and organize insulated electrical cables, control cables, and communication lines. What Are Cable Tray Accessories? Cable tray accessories are specialized components designed to support, connect, and enhance the. Get a fully matched accessory list—including couplers, covers, supports, and hardware—tailored exactly to your tray configuration. Select a category below to verify specs, then send us your project requirements for a complete takeoff. Couplers, reducers & slip joints. Heavy duty covers, dividers &. maintain spacing or to keep cables in place when the tray is ect the minimum bend ra-dius for cables as they exit the bottom of the cable tray.