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Originally Posted by squeeforever
Its a 9920. Some have 4 capacitors, some 2, some have 2 wire per phase, some 1. THe sure fire way to tell is how many boards it has. If one, its a 7020, if 2, its a 9920, if 3, its a 12020, ect.
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I have always found this weird. If one board and handle 70 amps why can't 2 handle 140.