Acceptance tests include visual examination, dimensional verification, and galvanizing tests. Standards are provided for the amount of zinc coating, specifying an average of 610 gm of zinc per square meter with a thickness of 80 microns. In this detailed guide, we'll explore the essential inspection methods for cable trays, focusing on maintaining their structural integrity, load-bearing capacity, fire resistance, and more. Why Are Cable Tray Inspections Important? Cable trays serve as the backbone of electrical systems, ensuring. The International Electrotechnical Commission (IEC) provides detailed guidelines for cable tray systems under IEC 61537. Whether you're designing a new. The bearing capacity is the most basic testing item for the quality of the cable tray. The. cable trays are equivalent. 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. Metal cable trays call for materials with defined and specific mechanical properties. 3 What is the lead time for custom HDG orders? The.