LOAD CALCULATION FEEDERS AND SERVICES
FINAL PAPER 2026 COMPLETE QUESTIONS
ANSWERS PREMIUM STUDY GUIDE
◉ Use of the 100' tap rule is limited to installation in high-bay
manufacturing buildings with wall heignt over
Answer: 35 feet
◉ Which part of a residential lighting and small appliance load must
be rated at 35% for service calculations?
Answer: The next 177,000VA
◉ If a store lighting load is 14,000VA (continuous), which of the
following must be used for the circuit calculation?
Answer: 17,500VA
◉ In most cases, feeder conductor size is adjusted when
Answer: there are more than three current-carrying conductors in
the raceway
◉ When calculating the service requirement for a particular
building, the step is to
, Answer: determine the floor area of the building
◉ What is the feeder ampacity for a three-phase, 120/208V
subpanel with a connected load of 84,563VA?
Answer: 235A
◉ Which part of a residential lighting and small appliance load must
be rated at 35% for servives
Answer:
◉ An optional method for determining feeder to schools is covered
in
Answer: NEC® Section 220.86
◉ Refer to the figure above. What is the total load of a feeder serving
four 230V motors rated 5hp, 15hp, 20hp, and 40hp?
Answer: 241.2
◉ Refer to the figure above. Calculate the minimum ampacity for a
feeder serving the following 460V motor: 10hp, 20hp, and 30hp.
Answer: 91A
FINAL PAPER 2026 COMPLETE QUESTIONS
ANSWERS PREMIUM STUDY GUIDE
◉ Use of the 100' tap rule is limited to installation in high-bay
manufacturing buildings with wall heignt over
Answer: 35 feet
◉ Which part of a residential lighting and small appliance load must
be rated at 35% for service calculations?
Answer: The next 177,000VA
◉ If a store lighting load is 14,000VA (continuous), which of the
following must be used for the circuit calculation?
Answer: 17,500VA
◉ In most cases, feeder conductor size is adjusted when
Answer: there are more than three current-carrying conductors in
the raceway
◉ When calculating the service requirement for a particular
building, the step is to
, Answer: determine the floor area of the building
◉ What is the feeder ampacity for a three-phase, 120/208V
subpanel with a connected load of 84,563VA?
Answer: 235A
◉ Which part of a residential lighting and small appliance load must
be rated at 35% for servives
Answer:
◉ An optional method for determining feeder to schools is covered
in
Answer: NEC® Section 220.86
◉ Refer to the figure above. What is the total load of a feeder serving
four 230V motors rated 5hp, 15hp, 20hp, and 40hp?
Answer: 241.2
◉ Refer to the figure above. Calculate the minimum ampacity for a
feeder serving the following 460V motor: 10hp, 20hp, and 30hp.
Answer: 91A
