LOAD CALCULATION FEEDERS AND SERVICES LEVEL 4 MODULE 1 STUDY GUIDE WITH COMPLETE SOLUTION!!

LOAD CALCULATION FEEDERS AND SERVICES LEVEL 4
MODULE 1 STUDY GUIDE WITH COMPLETE SOLUTION!!
What is the demand factor allowed by the NEC® for calculating the neutral
conductor size for electric range load?

answers: 70%

Using the VA/linear foot method, the total VA that must be used in a service
calculation for a 50' show window is



answers: 12,500VA

Before it is considered a continuous load, a load must operate for at least how
many hours without interruption?



answers: 3

Which of the following factors does not affect conductor ampacity adjustments?



answers: Number of phase

If a continuous connected load totals 120A, what is the minimum current-carrying
capacity required for the feeder?



answers: 150A

What is the load center length for a tapped feeder with loads of 120A at 50', 110A
at 60', 75A at 90', and 70A at 150'?



answers: 79.60

, Which of the following lighting loads would be used in a residence that is 1,650 sq
ft?



answers: 4,950VA

What is the load for 40 non-dwelling unit receptacles? (Assume that the load is not
continuous.)



answers: 7,200VA

The minimum service rating for a residential service is



answers: 100A

Residential small appliance circuit must be rated at



answers: 1,500VA

Use of the 100' tap rule is limited to installation in high-bay manufacturing
buildings with wall heignt over



answers: 35 feet

Which part of a residential lighting and small appliance load must be rated at 35%
for service calculations?



answers: The next 177,000VA

If a store lighting load is 14,000VA (continuous), which of the following must be
used for the circuit calculation?