GangLong Fiberglass recommends monitoring load capacity and expanding systems to accommodate growth. Excessive loads in cable trays can lead to overheating, insulation failure, and fire. 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 operating OSHA-approved State plans. In addition, this document contains several references to provisions of the National Electric Code. Why Knowing Cable Tray Safety Hazards is essential? Cable trays, commonly used in electrical installations, help organize and protect wiring systems. Poorly fitted trays may serve as a fuse in case of a short or a top chimney in case of a fire. This article is written to help you understand when fiberglass cable trays make sense, how they are manufactured, how they perform in real projects, and how to specify them correctly—so you can make.