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. Cable trays are structural components of a facility's electrical system, and as such, are part of a planned cable management system. In this guide, we will walk through the different considerations that should guide your cable tray cover choosing process, and how. Proper planning for installing cable tray includes calculations based on loading, support systems, cable/wire fill and spacing, conductor types, securing of the cables and wire, and proper grounding and bonding are all important aspects of cable tray installation. Here is the summary of the main points found in NEC Article.
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