Question 12053 of 931 · Texas Journeyman Electrician Exam
Ten ranges supply an apartment building: five rated 11 kW and five rated 14 kW. What is the range demand load under the NEC 2026?
Exactly one answer is correct.
You got of questions right. Here on the question pages nobody remembers which ones you got wrong. The trainer saves your progress and asks the mistakes again until they stick.
Or free: the 10 questions most people get wrong
Show solution
Correct answer to question 12053
- A: 26.25 kW
Explanation
For unequal ratings over 8.75 kW, ranges under 12 kW are counted as 12 kW and the average is found (Table 120.55, Note 2): (5 x 12 + 5 x 14) / 10 = 13 kW. That is 1 kW over 12, so Column C (25 kW for ten) rises 5 %: 25 x 1.05 = 26.25 kW.
More questions: Load Calculations
- 12054Under the NEC 2026, an 8 kW range demand load is part of a 120/240 V dwelling feeder. What neutral load is assigned to the range?
- 12055A 120/240 V feeder has a calculated maximum unbalanced load of 350 A. What is the NEC 2026 neutral load after the permitted reduction?
- 12056Which dwelling load contributes nothing to the neutral in an NEC 2026 feeder calculation?
- 12057A 5.5 kW household dryer is on a 120/240 V service. What is its neutral load under the NEC 2026?
- 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?