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Jun 17, 2002 · * 120/240V 3 phase, 4W Delta * Should not use on generator as it overloads 1 phase if there are large 120 volt loads. 120/208V, 3 phase, 4W- This is a good choice for a three phase system because you can balance 120 volt loads around the wye to equally load the generator. 208V single phase and 208V three phase loads can be … ................
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