Equipment & SystemsQuestion 269 of 521
Per NEC Table 430.248, what is the full-load current of a 3 HP, single-phase, 115 V motor?
a.34 A
b.17 A
c.24 A
d.56 A
Explanation
Table 430.248 lists 34 A for a 3 HP, 115 V single-phase motor. 17 A is the same HP at 230 V, 24 A is a 2 HP 115 V motor, and 56 A is a 5 HP 115 V motor.
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Related questions on this topic
- Why must a motor circuit have both overload protection AND short-circuit/ground-fault protection?
- A 30 HP, 460 V, three-phase motor has an FLC of 40 A. What is the minimum ampere rating of the motor disconnecting means (115% of FLC)?
- Under NEC 430.102(B), where must the disconnecting means for a motor generally be located?
- For the 3 HP, 115 V single-phase motor (FLC 34 A), what minimum branch-circuit conductor ampacity does NEC 430.22 require?
- Using NEC Table 430.250, what is the full-load current of a 50 HP, 460 V, three-phase motor?
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