Load calculation Feeders and
services Level 4 Module 1 exam
2025 with 100% correct answers
What is the demand factor allowed by the NEC® for calculating the neutral
conductor size for electric range load? - correct answer✔️✔️70%
Using the VA/linear foot method, the total VA that must be used in a service
calculation for a 50' show window is - correct answer✔️✔️12,500VA
Before it is considered a continuous load, a load must operate for at least how
many hours without interruption? - correct answer✔️✔️3
Which of the following factors does not affect conductor ampacity adjustments?
- correct answer✔️✔️Number of phase
If a continuous connected load totals 120A, what is the minimum current-
carrying capacity required for the feeder? - correct answer✔️✔️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'? - correct answer✔️✔️79.60
Which of the following lighting loads would be used in a residence that is 1,650
sq ft? - correct answer✔️✔️4,950VA
What is the load for 40 non-dwelling unit receptacles? (Assume that the load is
not continuous.) - correct answer✔️✔️7,200VA
The minimum service rating for a residential service is - correct
answer✔️✔️100A
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