It is not possible to rotate cable tray about its cross-section axis, but with beams you can. Whilst this can be achieved with structural beam elements, this cannot be achieved with the out of the box cable tray families. Anyone have a solution to rotating horizontal tray so it can be ran vertically? We've been asking for 13 years now, still no way to do it (that I'm aware of). Any suggestions? A trick I sometimes do when I need a family to be able to be oriented. I have drawn a cable tray using the “normal” method of starting the cable tray command, specifying the height and width and drawing the cable tray route. Placing channel cable trays upside down is also desirable, I have seen some constructions using this positioning, mainly for small size ones.