Question 12055 of 931 · Texas Journeyman Electrician Exam
A 120/240 V feeder has a calculated maximum unbalanced load of 350 A. What is the NEC 2026 neutral load after the permitted reduction?
Exactly one answer is correct.
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Correct answer to question 12055
- C: 305.0 A
Explanation
The first 200 A of unbalanced load counts at 100 % and the portion above 200 A at 70 % (120.61): 200 + 150 x 0.70 = 305 A. Nonlinear loads would prevent this reduction.
More questions: Load Calculations
- 12056Which dwelling load contributes nothing to the neutral in an NEC 2026 feeder calculation?
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- 12058A 10-unit apartment building has 1,000 ft2 units, each with two small-appliance circuits and one laundry circuit. What is the NEC 2026 standard method demand for lighting, small-appliance and laundry loads on the service?
- 12059Under the NEC 2026 multifamily optional method (120.84), what demand factor applies to a building with 9 dwelling units?
- 12060Which condition is NOT required to use the NEC 2026 multifamily optional method of 120.84?
- 12061Under the NEC 2026 optional calculation for an existing dwelling (120.83), how are the existing general loads treated?