FEEDERS AND SERVICES
LEVEL 4 MODULE 1
NEC Section ——————-permits an alternative method for
calculating loads in multi-family dwelling. - ANSWERS-220.84
The smallest size locking and grounding type receptacle that may be
used to provide shore power for boats is - ANSWERS-30A
33. When the over current protection for a conductor is located on the
load end rather than the supply side of a conductor it is considered to be
on - ANSWERS-Tap conductor
farm has three buildings with loads of 85.3A, 55A, and 30A. How many
amps of the load will be subject to a 50% demand factor? - ANSWERS-
60A
The interior lighting load for a school building with 175,000 square feet
of floor space is - ANSWERS-525,000VA
The rules governing the design of circuit supplying power to boats is
covered in - ANSWERS-NEC® Article 555
END OF
PAGE 1
, LOAD CALCULATION LATEST
FEEDERS AND SERVICES
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
END OF
PAGE 2