Always use 2 splice plates per length of tray and SBH and CNH splice nuts and bolts to fasten them in place. EzyStrut splice bolts have a smooth head which should be installed on the inside of the tray's side wall. The SBH's smooth head is specially designed so it cannot. Doing it right keeps everyone safe and compliant. The main cable tray connection methods include splice plates, bolted connections, quick connect systems, fish plates, clamps, and welding. Flat. 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. What is the role of a cable tray in electrical engineering? A cable tray allows for the neat and aesthetic arrangement of cables, improves the reliability. The M6 x 16mm cable tray bolt & flange nut set provides secure fastening support for cable trays and channel systems with minimal surface obstruction. Each set includes a fully threaded M6 truss head bolt with Phillips recess, paired with a serrated flange nut for a vibration-resistant and reliable. Cable trays play a crucial role in managing and supporting electrical cables in industrial, commercial, and residential applications.