EU series strengthened type cable trays can be used in all situations from low voltage to main power lines. Thanks to the special form on it, the reinforced carrying capacity is maximized. Strong and durable – Made of hot-dip galvanized steel or stainless steel, suitable for indoor and outdoor applications. Product. Cable trays are systems used for the safe transportation and protection of electrical cables, designed to fit the pathways within buildings and structural installations. 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 similar or.