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EVITP: LOAD CALCULATION FEEDERS AND SERVICES LEVEL 4 MODULE 1 QUESTIONS AND ANSWERS 2024
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EVITP: LOAD CALCULATION FEEDERS AND SERVICES LEVEL 4 MODULE 1 QUESTIONS AND ANSWERS 2024
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EVITP: LOAD CALCULATION FEEDERS ANDSERVICES LEVEL 4 MODULE 1
The allowable ampacity of a conductor run in a raceway with four to six
conductors must be reduced by - ANSWERS-80%
What is the adjusted ampacity for each of six No.4/0 THHN copper current-
carrying conductors in a single conduit? (Given: the ampacity of 4/0 THHN is
260A.) - ANSWERS-208A
If the number of current-carrying conductors in a conduit exceed three, the
ampacity of the conductors must be adjusting using - ANSWERS-NEC® Table
310.15(B)(3)(a)
The minimum ampacity for a feeder supplying ten 30A shore power receptacles in
a marina is - ANSWERS-120A
A farm has three buildings with loads of 82A, 65A and 15A. What is the total load?
Assume that there are no dwelling or motors. - ANSWERS-117A
When performing load calculations for farm building, the load that must be
included I the calculation at 100% demand must be at least - ANSWERS-60A
, 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
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