NCCER 26401 Load Calculations - Feeders and Services EXAM
NEWEST VERSION ACTUAL COMPLETE REAL EXAM
QUESTIONS AND CORRECT ANSWERS (VERIFIED ANSWERS )
ALREADY GRADED A+,
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.) - ANSWER-117A
What is the adjusted ampacity for each of six No. 4/0 THHN
copper currentcarrying conductors in a single conduit? (Given:
the ampacity of 4/0 THHN is
260A.) - ANSWER-208A
The rules governing the design of circuits supplying power to
boats is covered in
_____. - ANSWER-NEC Article 555
When the overcurrent protection for a conductor is located on
the load end rather than the supply side of a conductor it is
considered to be a(n) _____. – ANSWER-tap conductor
, When making service calculations for multi-family dwellings,
additional demand factors may be applied to the portion of the
neutral load greater than _____. -
ANSWER-200A
When calculating the service requirement for a particular
building, the first step is to _____. - ANSWER-determine the floor
area of the building
NEC Table 220.12 requires a minimum general lighting load for
office buildings to be based on _____. - ANSWER-1.3 VA/ft2
The minimum ampacity for a feeder supplying ten 30A shore
power receptacles in a marina is _____. - ANSWER-120A
In most cases, feeder conductor size is adjusted when _____. -
ANSWER-there are more than three current-carrying conductors
in the raceway
Which of the following lighting loads would be used in a
residence that is 1,650 ft2? - ANSWER-4,950VA
If a store lighting load is 14,000VA (continuous), which of the
following MUST be used for the circuit calculation? - ANSWER-
17,500VA
NEWEST VERSION ACTUAL COMPLETE REAL EXAM
QUESTIONS AND CORRECT ANSWERS (VERIFIED ANSWERS )
ALREADY GRADED A+,
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.) - ANSWER-117A
What is the adjusted ampacity for each of six No. 4/0 THHN
copper currentcarrying conductors in a single conduit? (Given:
the ampacity of 4/0 THHN is
260A.) - ANSWER-208A
The rules governing the design of circuits supplying power to
boats is covered in
_____. - ANSWER-NEC Article 555
When the overcurrent protection for a conductor is located on
the load end rather than the supply side of a conductor it is
considered to be a(n) _____. – ANSWER-tap conductor
, When making service calculations for multi-family dwellings,
additional demand factors may be applied to the portion of the
neutral load greater than _____. -
ANSWER-200A
When calculating the service requirement for a particular
building, the first step is to _____. - ANSWER-determine the floor
area of the building
NEC Table 220.12 requires a minimum general lighting load for
office buildings to be based on _____. - ANSWER-1.3 VA/ft2
The minimum ampacity for a feeder supplying ten 30A shore
power receptacles in a marina is _____. - ANSWER-120A
In most cases, feeder conductor size is adjusted when _____. -
ANSWER-there are more than three current-carrying conductors
in the raceway
Which of the following lighting loads would be used in a
residence that is 1,650 ft2? - ANSWER-4,950VA
If a store lighting load is 14,000VA (continuous), which of the
following MUST be used for the circuit calculation? - ANSWER-
17,500VA
