Proper planning for installing cable tray includes calculations based on loading, support systems, cable/wire fill and spacing, conductor types, securing of the cables and wire, and proper grounding and bonding are all important aspects of cable tray installation. en completely installed, without damage either to conductors or structural system use 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 B-Line series Cable Tray Manual was produced by our technical staff. We recognize the need for a complete cable tray reference source for electrical engineers and designers. We want each and every experience with our. In instrumentation EPC (Engineering, Procurement, and Construction) projects, installing cable trays is very important for making sure that signals are sent reliably, that people are safe, and that systems work well for a long time. Cable ladder systems and cable tray systems shall be manufactured in accordance with BS EN 61537, channel support. us-trations without notice. The mechanical and electrical characteristics, tests, certifications, overall quality management, recommendations mentioned.