Trough Type Galvanized Cable Tray is a fully enclosed cable management system, typically made of Q235 steel with hot-dip galvanized coating for corrosion resistance. Its rectangular trough shape with removable cover shields cables from dust, moisture, and electromagnetic interference. We, one of the leading Galvanized Cable Tray Manufacturers in Brazil, bring trays that. Atkore Trof is a prefabricated mill-galvanized steel structure consisting of ventilated or solid bottoms, welded to the side rails, and is manufactured and tested to NEMA Standard VE-1 Zero Tangent Fittings Tangent eliminate the wasted space in tightly packed areas, allowing more tray runs to. Steel Cable Tray systems are Certified CSA Cable Tray, UL listed, and NEMA certified and are available in the following material types 316 Stainless Steel Cable Tray, 304 Stainless Steel Cable Tray, HDGAF Cable Tray, Hot Dipped Galvanized After Fabrication Cable Tray, Pre Galvanized Cable Tray, Pre. Surface treatment:Electro galvanized,Hot dip galvanized,Powder coating. Light weight and heavy load ; 2.