Question 12032 of 749 · Maryland Journeyperson Electrician Exam
A dwelling has one electric dryer rated 3,800 W. What load must be used for it in the NEC 2020/2023 service calculation?
Exactly one answer is correct.
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Correct answer to question 12032
- D: 5,000 VA
Explanation
Household dryers count at 5,000 VA or the nameplate rating, whichever is larger (220.54 and Table 220.54). Since 3,800 W is below the minimum, 5,000 VA is used, and one dryer takes a 100 % demand factor.
More questions: Load Calculations
- 12089A dwelling feeder includes a 6.4 kW range demand. What neutral load is assigned to it under the NEC 2020 or 2023?
- 12090A 120/240 V service has a maximum unbalanced load of 280 A. What neutral load is used under the NEC 2020 or 2023?
- 12091Under the NEC 2020 or 2023, which load is left out of a dwelling neutral calculation?
- 12092Under the NEC 2020 or 2023, the optional method of 220.82 may be used for a single dwelling when the service or feeder is:
- 12093NEC 2020/2023 220.83(A): an existing 1,600 ft2 dwelling with two small-appliance and one laundry circuit, a 12 kW range, 5 kW dryer and 4.5 kW water heater gets no new heating or AC. What is the calculated load?
- 12094NEC 2020/2023 220.83(B): an existing 2,000 ft2 dwelling (two small-appliance and one laundry circuit, 11 kW range, 5.5 kW dryer) adds a 6,000 VA central AC. What is the calculated load?