Only approved tray-rated cables should be installed. Grounding and bonding are mandatory for metallic trays. 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. This document lists the most typical mistakes that EPC teams should not make while installing instrumentation cable trays to make sure the plant runs smoothly, is safe, and is in compliance. What is an Instrumentation Cable Tray? An instrumentation cable tray is a structured channel that holds and. NEC Article 392 outlines the key rules for installing and maintaining industrial cable tray systems. These systems, made from metal or plastic, are open structures designed to support electrical conductors, ensuring proper organization and safety. Below are the primary reasons why regular inspection and evaluation are essential: Timely inspections help detect issues like corrosion, deformation, or.
