Because aluminum cable tray components are extruded, material can be used more efficiently and tolerances remain tighter. Some manufacturers have used this to the contractor's advantage by creating splice joints and other features which offer better performance and require less labor. An aluminum alloy cable tray is a cable management system made from aluminum that's been mixed with other elements to increase its strength and durability. Common aluminum alloys used for metal cable trays are. I'm on a job where some folks are attempting to use aluminum plates to separate weld power cables from ethernet/serial comm. Based on the relative permeability of Aluminum, I believe this to be a. due to a thin, continuous natural oxide film (alumina) that protects ies aluminum alloys (Aluminum Association designation) to manufacture cable tray. It's the default choice for 70%+ of general-purpose applications. The key to successful material selection lies in. External components, connector shells and inserts are often metal and can be aluminum, stainless steel, brass, titanium, or even composite to meet the demanding harsh environment conditions. 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.