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Hello, its not calculated by hand anymore, there are too many variables, the data you need taken from a computer program.
I need the full load amperage taken from the name plate of the pump to input the program... beyond the breaker size is type of Ground fault or arc flash breaker needed, and the bonding and grounding requirements for the pool.
I can help you will all of that if you wish
I need to differentiate 'flc' possibly full load current.... from 'FLA' full load amperage, tell me if the motor name plate differentiates these or only uses FLC please