A load bank serves as a crucial piece of electrical test equipment employed to simulate an electrical load. Its primary purpose is to test an electric power source thoroughly without the need to connect it to its typical operating load. This invaluable device allows for a comprehensive assessment of power sources, evaluating their performance, capacity, and efficiency under controlled conditions.

Load banks come in various types and sizes, offering flexibility for testing different power systems, from generators and batteries to uninterruptible power supplies (UPS). By mimicking real-world scenarios, load banks ensure that power sources can handle the expected loads and operate optimally when called upon in actual applications. This versatile testing tool is instrumental in preventive maintenance, commissioning new equipment, and verifying the reliability of power systems across various industries.