Despite the highly corrosive atmosphere, hot-dip galvanized structural steel has demonstrated good performance when used indoors above both chlorine and saltwater pools. The PVC cable trays are specially designed for rooftops & outdoor installations having an excellent resistance against the rain and humidity, areas of humidity need materials such as PVC to avoid the corrosion and guarantee a long life of the installation. It encompasses the electrical components, materials, and techniques used to ensure the safe and. Legrand's offer of global solutions for wiremesh cable trays (and accessories) is one of the most complete on the market. It offers true freedom by allowing multiple configurations in a wide choice of finishes for optimal integration into any environment. These trays are coated with a thick layer of zinc through the hot dip galvanization process, offering enhanced protection against corrosion, harsh weather, and heavy industrial. Heavy duty cable trays and cable ladders are manufactured from pre-galvanized or hot-dipped galvanized sheet metal, designed to meet ideal environmental working conditions for indoor and outdoor use in commercial or industrial environments with high cable density.