Used where EMI shielding or cable containment is a concern. Standard accessories include bends, tees, crosses, reducers, vertical elbows, drop-outs, splice plates . OBO BETTERMANN has offered prod-ucts and solutions for electrical instal-lation for over 100 years. The Cable Tray ng standards, performance standards, test standards and application in this document have been tested extens ompetent professional en completely installed, without damage either to conductors or. Panduit has developed the industry's most comprehensive and holistic approach to a Unified Physical Infrastructure and can help enterprises align, converge, and optimize critical systems – communication, computing, control, power, and security – to build a smarter, unified business foundation. In this guide, we explain what cable trays are, the main types available, how to choose the correct size and duty rating, and what to consider when designing a cable tray installation. What Is a Cable Tray System? A cable tray system is a structural support pathway designed to hold, route, and. In industrial settings, electrical and instrumentation (E&I) cable trays or bridge racks play a critical role in organizing and supporting power, control, and signal cables across facilities.