It covers various aspects, including general safety rules, splicing methods for perforated and solid cable trays (H50 and H100), detailed steps for installing fittings such as flat bends and equal tees, and the use of the multifunctional EDU coupler for creating custom bends . It covers various aspects, including general safety rules, splicing methods for perforated and solid cable trays (H50 and H100), detailed steps for installing fittings such as flat bends and equal tees, and the use of the multifunctional EDU coupler for creating custom bends . 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. If an EGC cable is installed in or on a cable tray, it should be bonded to each or alternate cable tray sections via grounding clamps (this is not required by the NEC® but it is a desirable practice). In addition to providing an electrical connection between the cable tray sections and the EGC, the. This guide covers the critical steps, from selecting the right electrical cable tray and performing accurate cable fill calculations to managing a safe cable pull through and ensuring all bonding and grounding requirements are met. For licensed electricians, mastering these principles is essential. This installation guide provides comprehensive instructions for the assembly, cutting, and installation of the Trough (P31) cable tray system. Grounding relates to power cables and is governed by NEC 92.