Dual input PDUs are built with two separate circuits that provide primary and secondary power respectively to electrical equipment within a rack enclosure. It can be found in homes, workplaces, factories, and anywhere else where sudden cuts of energy can. The ATS Dual Power Distribution Box plays a pivotal role in providing efficient low-voltage power solutions, ensuring that power flows seamlessly, even in the event of an outage. Dual Power. Adhering to safety standards recommended by electrical safety organizations, such as the National Fire Protection Association (NFPA), these systems ensure compliance and reduce risks associated with high electrical loads.