How to install cable trays on columns with large spans
Cable tray installations shall be installed so connectors are not located in center points of span between supports or directly on supports. Cable tray systems provide a safe, organized, and flexible method for supporting insulated conductors and cables in commercial and industrial electrical installations. en completely installed, without damage either to conductors or structural system use maintain spacing or to keep cables in place when the tray is ect the minimum bend ra-dius for cables as they exit the bottom of the cable tray. After cable laying, the deflection of the cable tray should not exceed 1/200 of the span of the cable tray.
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