Question 12029 of 925 · California General Electrician Exam
Under the NEC 2020/2023, what is the feeder demand load for four 5.5 kW household electric dryers in an apartment building?
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 12029
- A: 22,000 VA
Explanation
Each dryer counts at the larger of 5,000 VA or nameplate, so 4 x 5,500 = 22,000 VA (220.54 and Table 220.54). For one to four dryers the 2020/2023 demand factor is 100 %, so the load stays 22,000 VA.
More questions: Load Calculations
- 12030Five 5 kW household dryers are supplied by one feeder. What is the calculated dryer load under the NEC 2020/2023?
- 12031Under the NEC 2020/2023, what is the demand factor for 20 household electric dryers on one feeder?
- 12032A dwelling has one electric dryer rated 3,800 W. What load must be used for it in the NEC 2020/2023 service calculation?
- 12077Under the NEC 2023, a 24 A, 240 V EVSE (nameplate 5,760 VA) is added to a dwelling. What EVSE load is used in the load calculation?
- 12078Under the NEC 2023, what load is used for a 40 A, 240 V EVSE with a 9,600 VA nameplate rating?
- 12079Under the NEC 2020 or 2023, what is the feeder load for 3 household electric dryers rated 5,000 W each?