TN LLE Commercial Load Calculations 2

Question 1

Per NEC 220.12, what is the general lighting load demand factor for the first 12,500 VA of commercial office space?

Accepted Answer

100%

Answer

80%

Answer

50%

Answer

125%

Question 2

When calculating the service load for a commercial building, receptacle outlets are calculated at how many VA per outlet per NEC 220.14(I)?

Accepted Answer

180 VA

Answer

90 VA

Answer

200 VA

Answer

150 VA

Question 3

What is the demand factor applied to the first 10 kW of commercial kitchen equipment loads per NEC Table 220.56?

Accepted Answer

Demand factor depends on number of equipment units, not a fixed kW threshold

Answer

100%

Answer

80%

Answer

65%

Question 4

For a 10,000 sq ft commercial office, what is the minimum general lighting load before demand factors are applied?

Accepted Answer

It depends on the specific use designation in Table 220.12

Answer

10,000 VA

Answer

15,000 VA

Answer

35,000 VA

Question 5

When performing a commercial load calculation, the largest motor in the building gets what additional demand applied per NEC 220.50?

Accepted Answer

25% of its full-load current added

Answer

No additional demand

Answer

50% of its nameplate rating

Answer

100% of its locked-rotor current

Question 6

A Tennessee LLE is calculating loads for a small retail space. Per NEC Table 220.12, what unit lighting load applies to a retail store?

Accepted Answer

1.5 VA per square foot

Answer

3.5 VA per square foot

Answer

2.0 VA per square foot

Answer

1.0 VA per square foot