Question 12007 of 731 · Texas Journeyman Electrician Exam
Optional method (NEC 2026): a 1,500 ft2 dwelling with two small-appliance and one laundry circuit, a 10 kW range, 5 kW dryer and 4.5 kW water heater has six separately controlled 2 kW baseboard heaters and a 4,000 VA AC unit. What is the total calculated load?
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 12007
- C: 20,400 VA
Explanation
General loads = 27,000 VA, so 8,000 VA + 40 % of 19,000 VA = 15,600 VA (120.82(B)). Four or more separately controlled heating units count at 40 %: 12,000 x 0.40 = 4,800 VA, which exceeds the 4,000 VA AC (120.82(C)). Total 20,400 VA.
More questions: Load Calculations
- 12009Under the NEC 2026, what is the minimum number of 15 A, 120 V general lighting branch circuits for a 2,600 ft2 dwelling?
- 12010How many 20 A, 120 V general lighting branch circuits are required at minimum for a 3,400 ft2 dwelling under the NEC 2026?
- 12011Under the NEC 2026, what is the feeder demand load for four 5.5 kW household electric dryers in an apartment building?
- 12012Five 5 kW household dryers are supplied by one feeder. What is the calculated dryer load under the NEC 2026?
- 12013Ten 5 kW electric dryers in a multifamily building are on one service. Using the NEC 2026 dryer demand factors, what is the dryer load?
- 12014Under the NEC 2026, what is the demand factor for 15 household electric dryers on one feeder?