Verify that the horizontal cable tray is located 15 cm (6 in. ) of clear vertical space from conduits, wires, and cables. Placing channel cable trays upside down is also desirable, I have seen some constructions using this positioning, mainly for small size ones. 07-20-2016 09-10-2016. us-trations without notice. All illustrations, descriptions and technical information included in this document are provided as indications and can cable trays are equivalent. The mechanical and electrical characteristics, tests, certifications, overall quality management, recommendations mentioned. 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. A rung spacing of 6 to 9 inches (150 to 230 mm) is preferable when the cable tray cont d for instrumentation and control applications that require. In order to automatically create a whole cable tray run, however, we need both the straight segment cable tray elements and also the fittings to connect them with each other, elbows to turn corners and branching elements to represent junctions. This is harder to implement for cable trays than for. Elbow joint RVS is pushed inside the cable tray and attached with the included screw set. Need more information?In industrial settings, electrical and instrumentation (E&I) cable trays or bridge racks play a critical role in organizing and supporting power, control, and signal cables across facilities. An effective layout ensures safety, minimizes interference, reduces maintenance time, and keeps the overall.