how long should a generator be tested for
The need for testing is determined by a generatoraâ¬â¢generatorÃ¢ s performance during its monthly, test which should last a minimum of 30. Minutes if a generator operates at less than 30 percent of its Nameplate kilowatt rating at any point during a-30 minute test, period it should beâ¬aâ¬ Ã¢ oeexerciseda ÅexercisedÃ¢ annually by. a load bankn load bank testing, a standby generator system receives an electrical load from a load bank. This tests system performance under simulated power outage conditions. Load banking is also used to resolve wet stacking aâ¬â Ã¢ a condition in which diesel generators collect fuel in their exhaust. pipes