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NCCER 26401 Load Calculations - Feeders And Services: Questions With Solutions
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NCCER 26401 Load Calculations - Feeders AndServices: Questions With Solutions
The smallest size locking and grounding type receptacle that may be used to
provide shore power for boats is _____. Right Ans - 30A
A commercial kitchen with more than six pieces of kitchen equipment is
subject to a demand factor of _____. Right Ans - 65%
What is the load for 40 non-dwelling unit receptacles? (Assume that the load
is not continuous.) Right Ans - 7,200VA
Refer to the figure provided. What is the total load of a feeder serving four
230V motors rated 5hp, 15hp, 20hp, and 40hp? Right Ans - 241.2A
The demand lighting load for a 20,000 ft2 motel with no dining room or
ballroom is _____. Right Ans - 17,600VA
A roadside vegetable stand has a continuous load of 2,000VA and a
noncontinuous load of 500VA. The total load is _____. Right Ans - 3,000VA
What is the feeder ampacity for a three-phase, 120/208V subpanel with a
connected load of 84,563VA? Right Ans - 235A
When performing load calculations for farm buildings, the load that must be
included in the calculation at 100% demand must be at least _____. Right
Ans - 60A
The interior lighting load for a school building with 175,000 square feet of
floor space is _____. Right Ans - 525,000VA
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.) Right Ans - 208A
A farm has three buildings with loads of 82A, 65A and 15A. What is the total
load? (Assume that there are no dwellings or motors.) Right Ans - 117A
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