Question 12024 of 844 · Washington 01 Journey Level Electrician Exam
Under the NEC 2020/2023 standard method, what is the demand load for general lighting, two small-appliance circuits and one laundry circuit in a 4,500 ft2 dwelling?
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 12024
- D: 8,250 VA
Explanation
4,500 ft2 x 3 VA = 13,500 VA, plus 4,500 VA for the small-appliance and laundry circuits = 18,000 VA. First 3,000 VA at 100 % and the remaining 15,000 VA at 35 % gives 8,250 VA (Table 220.42 in 2020, Table 220.45 in 2023).
More questions: Load Calculations
- 12025Optional method (NEC 2020/2023): a 2,000 ft2 dwelling has two small-appliance circuits, one laundry circuit, a 12 kW range, a 5 kW dryer, a 1,200 VA dishwasher and a 4,500 W water heater. What is the calculated general load (heating and AC excluded)?
- 12026Optional method (NEC 2020/2023), 120/240 V service: 1,800 ft2 dwelling, two small-appliance and one laundry circuit, 11 kW range, 5.5 kW dryer, 1,000 VA dishwasher, 800 VA disposal, 4 kW water heater, 6,000 VA central AC and 8 kW central electric furnace. What is the calculated load in amperes?
- 12027Optional method (NEC 2020/2023): 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?
- 12032A dwelling has one electric dryer rated 3,800 W. What load must be used for it in the NEC 2020/2023 service calculation?
- 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?