Multifunctional raised mounting Support for Wire mesh tray and Cable tray installations and other functional assemblies for cable management in Solar Roof installations and other general applications on roofs. The system consists of a watertight container, closed by a threaded cap that guarantees its tightness while providing on its external part the necessary housings for fixing the different anchoring accessories for the cables trays or conduits to be installed. It is supplied in Kit format, including additional parts for fixing these cable management systems such as a Central Hanging plate with BK8 protection system, 2 units of the self-locking screw, and 2 units of flat washers in INOX protection system, I304 finish.