Among the most common materials are aluminium, steel, and plastic. Overview of Electrical Cable Tray MaterialsOBO BETTERMANN has offered prod-ucts and solutions for electrical instal-lation for over 100 years. With our many years of experience, we are one of the leading manufacturers in this field. Establishing partnerships. 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. The mechanical and electrical characteristics, tests, certifications, overall quality management, recommendations mentioned in this technical guide only apply to our own cable management ranges and cannot under any circumstances be transposed to si osure, overheating or. With the RS 60 cable tray installation system, we offer you the last installation type of the standard support construction, so that you can implement all installations required in the building project with circuit integrity maintenance on the basis of the standard support construction. Our experienced teams and operations are present across the Middle-East North Africa regions (MENA) and Pakistan, giving us. Selecting the right material for a cable tray is crucial as it impacts durability, cost, installation, and long-term performance.