26401-17 Load Calculations - Feeders And Services Latest
Exam With Complete Solutions
What demand factor does the NEC® permit for the purpose of calculating neutral
conductor size for electric range load? - Answer 70%
Under the VA/linear foot method, what is the total VA to be used in a service calculation
for a 50' show window is - Answer 12,500VA
In order for a load to be considered a continuous load it must operate without
interruption for at least how many hours? - Answer 3
Which of the following does not have an affect on conductor ampacity adjustments? -
Number of phase
If a continuous connected load totals 120A, what minimum current-carrying capacity is
required for the feeder? - 150A
A tapped feeder serves loads of 120A at 50', 110A at 60', 75A at 90', and 70A at 150'. What
is the load center length? - 79.60
If an apartment is 1,650 sq ft what is the following lighting load? Answer 4,950VA
What is the load for 40 non-dwelling unit receptacles? (Assume that the load is not
continuous.) Answer 7,200VA
The minimum service rating for a residential service is Answer 100A
Residential small appliance circuit must be rated at Answer 1,500VA
Exam With Complete Solutions
What demand factor does the NEC® permit for the purpose of calculating neutral
conductor size for electric range load? - Answer 70%
Under the VA/linear foot method, what is the total VA to be used in a service calculation
for a 50' show window is - Answer 12,500VA
In order for a load to be considered a continuous load it must operate without
interruption for at least how many hours? - Answer 3
Which of the following does not have an affect on conductor ampacity adjustments? -
Number of phase
If a continuous connected load totals 120A, what minimum current-carrying capacity is
required for the feeder? - 150A
A tapped feeder serves loads of 120A at 50', 110A at 60', 75A at 90', and 70A at 150'. What
is the load center length? - 79.60
If an apartment is 1,650 sq ft what is the following lighting load? Answer 4,950VA
What is the load for 40 non-dwelling unit receptacles? (Assume that the load is not
continuous.) Answer 7,200VA
The minimum service rating for a residential service is Answer 100A
Residential small appliance circuit must be rated at Answer 1,500VA
