Cable tray turns horizontally downwards
Cable sag results from incorrect spacing of cable tray supports or from employing the incorrect tray type that is, light-duty perforated trays in high-load applications. Placing channel cable trays upside down is also desirable, I have seen some constructions using this positioning, mainly for small size ones. This situation may be caused by excessive current in that phase or a quality issue with the cable itself. I've managed to do this with incredible struggle, but when I extend the length of the tray or try to add a fitting, the cable tray snaps back to it's.
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