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The following motors are connected to a 240 volt, 3-phase, 4-wire feeder. All te...
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The following motors are connected to a 240 volt, 3-phase, 4-wire feeder. All terminations on this circuit are 75 degree C. (Instantaneous Trip Breakers)
If all branch circuit, short-circuit, ground fault protective devices are instantaneous trip breakers, what is the maximum size of the following that can be used for the short-circuit and ground fault protection for the feeder of this circuit?
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