NEC Article 392 clearly outlines the grounding and bonding requirements for cable tray systems, establishing the standards necessary to ensure electrical safety and code compliance. Recognize electrical cable tray misuse that can lead to electric shock and arc-flash/blast events and fires caused by overheating. The use and installation of cable trays is covered by legally enforceable OSHA regulations in 29 CFR 1910. 305(a)(3), or comparable standards promulgated by States. Wire mesh cable trays are widely used in commercial offices, industrial facilities, data centers, and smart building infrastructure because they provide unmatched flexibility, excellent airflow, and fast, adaptable installation. Addresses shipping. NEMA, short for National Electrical Manufacturers Association, is the leading trade association for electrical equipment manufacturers in the United States. Founded in 1926 and headquartered in Virginia, NEMA develops hundreds of technical standards that improve safety, efficiency, and. 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. In US and EU projects, cable tray selection is rarely just a price-and-size decision.
