Question 12011 of 731 · Texas Journeyman Electrician Exam
Under the NEC 2026, what is the feeder demand load for four 5.5 kW household electric dryers in an apartment building?
Exactly one answer is correct.
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Correct answer to question 12011
- C: 17,600 VA
Explanation
Each dryer counts at the larger of 5,000 VA or nameplate, so 4 x 5,500 = 22,000 VA (120.54 and Table 120.54). Under the 2026 table, three to five dryers take an 80 % demand factor: 22,000 x 0.80 = 17,600 VA.
More questions: Load Calculations
- 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?
- 12015A dwelling has one electric dryer rated 4,400 W. What load must be used for it in the NEC 2026 service calculation?
- 12016Standard method (NEC 2026): a dwelling has a 1,500 VA dishwasher, 1,000 VA disposal, 4,500 W water heater and 800 VA microwave, all fastened in place. What is the demand load for these appliances?
- 12017Standard method (NEC 2026): the only fastened-in-place appliances are a 1,200 VA dishwasher, a 900 VA disposal and a 5,000 W water heater. What appliance load goes into the calculation?