Fittings are also available for 30°, 45°, 60° and 90° angles. When a standard angle will not work, adjustable elbows can be used. It may be necessary to add supports to the tray at these points. 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. Easy step to making cable tray offset bend 30 degrees at a distance of 150 mm +150 mm = 300mm. Easy Step to Make Cable tray 30 Degree Offset Formula !! Cable Tray Offset !! Cable tray Easy Step to Make Cable tray 30 Degree Offset Formula !! Cable Tray Offset !! Cable tray 50 mm cable tray 30 × 0. 44. Calculate cable tray bend dimensions, centerline arc lengths, setback distances, and offset configurations. Ensure compliance with NEC, IEC, and NEMA bend-radius standards for safe cable routing. Oglaend System manufacture and deliver Multidiscipline modular bolted support systems, cable trays, cable ladders and accessories for complete installation and containment of Instrument, Electrical, Telecom, HVAC and Piping. The B-Line series Cable Tray Manual was produced by our technical staff. The following pages address the 2014 National Electrical Code® requirements for cable tray systems as well as design. We have more than a decade's worth of experience making and designing quality cable tray and cable management systems. We want each and every experience with our.