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In this video tutorial, Bandy Hanke explains the concept of rotation in power systems. He showcases his substation connected to an investor-owned utility, which energizes the system at 122.8 volts, feeding 7200/12,470 Y lines. He discusses the setup of a Y-Y transformer bank operating at 120/208 volts, emphasizing that the order of closing the phases does not impact functionality. As he demonstrates, the motor runs clockwise, indicated by tape on its side. The three-phase system is color-coded as red, yellow, and blue, with connections noted in the breaker panel, providing a practical understanding of motor rotation and electrical systems.