E2 Commercial Service Load Calculations 2

Question 1

What is the unit lighting load per square foot for office occupancies per NEC Table 220.12?

Accepted Answer

3.5 VA/sq ft

Answer

1.0 VA/sq ft

Answer

2.0 VA/sq ft

Answer

5.0 VA/sq ft

Question 2

Per NEC 220.44, what demand factor applies to the portion of non-dwelling receptacle load that exceeds 10 kVA?

Accepted Answer

50%

Answer

100%

Answer

75%

Answer

25%

Question 3

What is the unit lighting load per square foot for a mercantile (retail store) occupancy per NEC Table 220.12?

Accepted Answer

3.0 VA/sq ft

Answer

1.5 VA/sq ft

Answer

2.0 VA/sq ft

Answer

3.5 VA/sq ft

Question 4

How many volt-amperes is assigned to each duplex receptacle outlet in a non-dwelling commercial occupancy per NEC 220.14(I)?

Accepted Answer

180 VA

Answer

90 VA

Answer

120 VA

Answer

360 VA

Question 5

For 'all other' commercial occupancies per NEC Table 220.42, what demand factor applies to lighting loads exceeding 50,000 VA?

Accepted Answer

50%

Answer

100%

Answer

75%

Answer

35%

Question 6

Which NEC article primarily governs branch circuit, feeder, and service load calculations for commercial buildings?

Accepted Answer

Article 220

Answer

Article 210

Answer

Article 215

Answer

Article 230

Question 7

A 25,000 sq ft office building is being permitted. What is the minimum general lighting load before applying any demand factors?

Accepted Answer

87,500 VA

Answer

50,000 VA

Answer

75,000 VA

Answer

125,000 VA