The use and installation of cable trays is covered by legally enforceable OSHA regulations in 29 CFR 1910. In addition, this document contains several references to provisions of the National Electric Code. NEC Article 392 outlines the key rules for installing and maintaining industrial cable tray systems. These systems, made from metal or plastic, are open structures designed to support electrical conductors, ensuring proper organization and safety. Here's what you need to know: Cable Types: Only use. Once the cable is installed in an open cable tray installation, take care to protect the exposed cables from falling objects or debris that could cause damage to the cable.
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