Journeyman Electrician’s Exam Journeyman Electrician's Load Calculations

Question 1

According to NEC Table 220.12, what is the unit lighting load for a dwelling unit?

Accepted Answer

3 VA/sq ft

Answer

1 VA/sq ft

Answer

2 VA/sq ft

Answer

4 VA/sq ft

Question 2

Per NEC 220.52(A), what is the minimum number of 20-ampere small appliance branch circuits required for a dwelling unit?

Accepted Answer

2

Answer

1

Answer

3

Answer

4

Question 3

Per NEC 220.52(B), what is the standard load used for the laundry branch circuit in a dwelling unit load calculation?

Accepted Answer

1,500 VA

Answer

750 VA

Answer

1,000 VA

Answer

2,000 VA

Question 4

What demand factor does NEC Table 220.42 assign to the first 3,000 VA of general lighting load in a dwelling unit?

Accepted Answer

100%

Answer

25%

Answer

35%

Answer

75%

Question 5

A dwelling unit has 1,500 square feet of living space. What is the calculated general lighting load before demand factors are applied?

Accepted Answer

4,500 VA

Answer

1,500 VA

Answer

3,000 VA

Answer

6,000 VA

Question 6

According to NEC Table 220.55, what is the demand load for a single household electric range with a 12 kW nameplate rating?

Accepted Answer

8 kW

Answer

6 kW

Answer

10 kW

Answer

12 kW

Question 7

Which NEC article covers branch-circuit, feeder, and service load calculations?

Accepted Answer

Article 220

Answer

Article 210

Answer

Article 215

Answer

Article 230