Power redundancy refers to the concept of having a backup plan or system in place to ensure power supply in case of failure. It is a critical aspect of any electrical or electronic system that requires constant power supply. Synonyms for power redundancy include backup power, failover power, secondary power supply, standby power, redundant power, backup generator, auxiliary power, and emergency power. These terms all encompass the same principle of having a secondary system in place to support primary power, ensuring continuity of operations in case of a power outage or failure. Power redundancy is essential in various industries, including hospitals, data centers, telecommunications, and manufacturing.