A power distribution system includes a first bus including a first bus bar and a second bus bar. A first portion of the first bus is located in a position where the first bus bar and the second bus bar extend parallel to each other. A space is located between the first bus bar and the second bus bar in the first portion of the first bus. A run-over bus includes two or more run-over bus bars, wherein at least a cross-sectional portion of at least one of the run-over bus bars is located in the space and the at least one run-over bus bar extends parallel to the first bus bar and the second bus bar. Other systems and methods are disclosed.