EVITP: Load calculation Feeders and
services Level 4 Module 1
What is the demand factor allowed by the NEC® for calculating
the neutral conductor size for electric range load? - Answer>>
70%
Using the VA/linear foot method, the total VA that must be used in
a service calculation for a 50' show window is - Answer>>
12,500VA
Before it is considered a continuous load, a load must operate for
at least how many hours without interruption? - Answer>> 3
Which of the following factors does not affect conductor ampacity
adjustments? - Answer>> Number of phase
If a continuous connected load totals 120A, what is the minimum
current-carrying capacity required for the feeder? - Answer>>
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'? -
Answer>> 79.60
Which of the following lighting loads would be used in a residence
that is 1,650 sq ft? - Answer>> 4,950VA
What is the load for 40 non-dwelling unit receptacles? (Assume
that the load is not continuous.) - Answer>> 7,200VA
The minimum service rating for a residential service is -
Answer>> 100A
, Residential small appliance circuit must be rated at - Answer>>
1,500VA
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
services Level 4 Module 1
What is the demand factor allowed by the NEC® for calculating
the neutral conductor size for electric range load? - Answer>>
70%
Using the VA/linear foot method, the total VA that must be used in
a service calculation for a 50' show window is - Answer>>
12,500VA
Before it is considered a continuous load, a load must operate for
at least how many hours without interruption? - Answer>> 3
Which of the following factors does not affect conductor ampacity
adjustments? - Answer>> Number of phase
If a continuous connected load totals 120A, what is the minimum
current-carrying capacity required for the feeder? - Answer>>
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'? -
Answer>> 79.60
Which of the following lighting loads would be used in a residence
that is 1,650 sq ft? - Answer>> 4,950VA
What is the load for 40 non-dwelling unit receptacles? (Assume
that the load is not continuous.) - Answer>> 7,200VA
The minimum service rating for a residential service is -
Answer>> 100A
, Residential small appliance circuit must be rated at - Answer>>
1,500VA
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
