Cable trays provide proper organization and airflow for sensitive data cabling. Power Plants: Safety and reliability are crucial in power plants. Cable tray manufacturing goes beyond just producing. Without cable trays, cables would be difficult to maintain, and their placement might become a hazard. Knowing both the pros and cons allows businesses and engineers to choose the most appropriate cable management system for their specific needs. What is. Cable molding, in essence, is a designated conduit designed to house and organize wires or cables. Acting as protectors, they streamline bulky wire bundles, improving safety by reducing the risk of cable damage or tangling.