Cable tray supports should be strategically positioned so that connectors between horizontal straight sections of the tray fall between the support point and the quarter-point of the span. Unlike a simple wire trough, which is typically a covered channel for shorter runs, cable trays provide a comprehensive support system for complex wiring paths over long. 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. This is a description of how to select, install, and support these metal or plastic frames, on which electrical wires are installed. Fittings can, on the one hand, be used for horizontal or vertical changing of the routing direction or, on the other, to change the height or width of the. This publication is intended as a practical guide for the proper and safe* installation of cable ladder systems, cable tray systems, channel support systems and associated supports. Cable ladder systems and cable tray systems shall be manufactured in accordance with BS EN 61537, channel support. Cable Tray, trunking and ladder will be properly supported and stacked in a flat surface.
[PDF Version]