Server cabinets house multiple IT devices that depend on a consistent electrical supply. PDUs channel electricity from one primary input to several outlets inside the rack. Without a central distribution unit, separate supplies would be needed for every device, adding complexity and taking up valuable rack space. Organised Electrical Distribution https://pdus32974.uzblog.net/h1-how-pdus-support-power-management-in-server-racks-h1-53635808