Journeyman Electrician’s Exam Journeyman Electrician's Load Calculations 3

Question 1

A 2,000 sq ft dwelling has two small appliance circuits and one laundry circuit. What is the total general load before demand factors?

Accepted Answer

10,500 VA

Answer

7,500 VA

Answer

9,000 VA

Answer

12,000 VA

Question 2

Using the NEC 220.82 optional calculation method for dwelling units, what percentage applies to all general loads above 10 kVA?

Accepted Answer

40%

Answer

25%

Answer

35%

Answer

50%

Question 3

Per NEC Table 220.42, what demand factor applies to dwelling unit lighting loads that exceed 120,000 VA?

Accepted Answer

25%

Answer

35%

Answer

50%

Answer

65%

Question 4

A commercial space has 50 duplex receptacle outlets. Per NEC 220.14(I), what is the total calculated receptacle load?

Accepted Answer

9,000 VA

Answer

5,000 VA

Answer

10,000 VA

Answer

18,000 VA

Question 5

Per NEC 220.54, what is the minimum demand load that must be used for a household electric clothes dryer when the nameplate rating is less than 5,000 watts?

Accepted Answer

5,000 W

Answer

3,000 W

Answer

4,000 W

Answer

6,000 W

Question 6

Per NEC Table 220.55, what is the maximum allowable demand load for a single 10 kW household electric range?

Accepted Answer

8 kW

Answer

6 kW

Answer

10 kW

Answer

12 kW

Question 7

What is the calculated demand load for a dwelling unit's general lighting if the total connected lighting load is 9,000 VA?

Accepted Answer

5,100 VA

Answer

3,000 VA

Answer

4,050 VA

Answer

9,000 VA