This guide provides detailed insights into preventing corrosion and extending the lifespan of cable trays. Corrosion can weaken cable trays, leading to failures that disrupt operations and pose safety risks. Stainless. OBO BETTERMANN has offered prod-ucts and solutions for electrical instal-lation for over 100 years. Establishing partnerships. This white paper compares the High Resistance (HR) and Hot-Dip Galvanising (HDG) solutions and highlights the new High Resistance range, ZnAl wiremesh, ZnMg metal cable trays and accessories and ZnNi screws and bolts. Cable ladder systems and cable tray systems shall be manufactured in accordance with BS EN 61537, channel support. Without proper preventive measures, cable trays and their associated wiring systems are prone to deterioration, which could lead to system malfunctions and safety hazards.