Motor Protection and Sizing Standards

what article deals with OL protection of continuous duty motors

• 430.52

• 430.22

• 430.32

• 430.110

According to the NEC. the max fault protection using a inverse time trip breaker and feeding a squirrel cage motor is

Motor conductors shall be sized no less than________of the NEC FLC

Refer to article 430.110. Disconnects have to be sized to at least _________of the motors FLC

Refer to article 430.102. Motor disconnecting means shall be located ___________

what is the FLC of a 75 HP motor fed with 208vac

what is the FLC of a single phase 10 Hp motor fed with 230vac?

what is the proper Nema Size starter for a 75 HP motor fed with 480 VAC

what is the required wire size to feed following motor

HP-30

Voltage - 230

FLA-78

Amb.-40C

SF. 1.35

what size fuse would be adequate to use as fault protection for a 75 HP 3 phase motor fed with 480vac?