According to NEMA VE 2 and IEC 61537: Typical spacing: Supports every 1. 0 m depending on cable tray type and load. Straight sections: Maximum span should not exceed manufacturer's recommendations. This publication is intended as a practical guide for the proper and safe* installation of cable ladder systems, cable tray systems, channel support systems and associated supports. Proper installation can significantly reduce electromagnetic interference, prevent fire hazards, and improve overall efficiency. This article provides an in-depth. us-trations without notice. Clause 522-08-04 Where conductors or cables are not supported. 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. Per the Canadian Electrical Code (CEC) a qualified person is one who is familiar with the construction of the apparatus and the hazards involved. The system designer (engineer) who has access to the local building codes, the building design, equipment specification and location, and the clearances.
