NEC Final Exam || with 100% Accurate Solutions.
Load calculations must be performed in order to determine the _____________ correct answers
size of the service and feeders
A feeder is defined as all the circuit conductors between the __________ containing fuses or
breakers that feed branch circuits correct answers service disconnecting means and the
panelboard
_______________ are included in the calculated floor area of dwelling units correct answers
Open porches
A scale ruler is used in correct answers determining the location of outlets
The ___________ is NOT an important piece of information to gather before performing load
calculations correct answers location of circuit breakers
The __________, including the strip heat and blower motor, is necessary information for
calculating loads correct answers total volt-ampere load
The lighting load for residential dwelling units is _____________ volt-amperes (VA) per square
foot correct answers 3
The ____________ for each floor of a one-family dwelling shall be computed using the outside
dimensions correct answers floor area
_______________ must be included when calculating a dwelling unit service correct answers
Small-appliance branch circuits
A dwelling unit must have at least ______________ small-appliance branch circuit(s). correct
answers 2
Each laundry branch circuit is calculated at _______________ correct answers no less than 1500
volt-amperes
Individual household cooking appliances rated more than ___________ watts (volt-amperes) can
be derated by using Table 220.55 demand factors ( and all of the appliance notes). correct
answers 1750
No derating is allowed when there are only one, two, or three ____________ appliances. correct
answers fastened-in place
The term _______________ designates utilization equipment commonly built in standardized
types and sizes and installed as a unit the perform specific function(s). correct answers appliance
Multiplying voltage by amperage produces ____________. correct answers volt-amperes (VA)
, A clothes dryer neutral load on a feeder can be calculated at ___________%. correct answers 70
Horsepower ratings must be converted to ______________ before they can be added to the load
calculation form. correct answers volt-amperes (VA)
The smaller of two (or more) ____________ loads can be omitted, as long as they are never
energized simultaneously. correct answers noncoincedent
For the purpose of the standard method load calculation for a one-family dwelling, the terms
neutral and ____________ are synonymous. correct answers grounded
A demand factor of ___________% can be applied to the nameplate rating load of four or more
fastened-in-place appliances. correct answers 75
In outdoor applications, ___________ grounding electrode conductors must not be installed
within 18in (450 mm) of the earth. correct answers aluminum
______________ are not included in calculating receptacle loads for appliances. correct answers
Air-conditioning systems
The exact nameplate rating of the clothes dryer, even if less than ___________ volt-amperes
should be used in load calculations. correct answers 5000
For a service rated 100 through 400 A, the service conductors supplying the entire load
associated with a one-family dwelling shall be permitted to have an ampacity not less
____________ % of the service rating. correct answers 83
The minimum size grounding electrode conductor is ____________ AWG copper ( or 4 AWG
aluminum). correct answers 6
Service-entrance and overhead service conductors shall be arranged so that
_________________. correct answers water shall not enter the service raceway or equipment
The radius of the curve of the inner edge of any bend in service-entrance cable must be at least
___________ times the diameter of the cable. correct answers 5
Type _________ cable can be formed in a gooseneck and taped with a self-sealing weather-
resistant thermoplastic. correct answers SE
Entrance cables must be supported within ____________ of every raceway or enclosure
connection. correct answers 12in. (300 mm)
Although not stipulated in the NEC, some local jurisdictions have adopted _____________ for
service conductors. correct answers specific distance requirements
Load calculations must be performed in order to determine the _____________ correct answers
size of the service and feeders
A feeder is defined as all the circuit conductors between the __________ containing fuses or
breakers that feed branch circuits correct answers service disconnecting means and the
panelboard
_______________ are included in the calculated floor area of dwelling units correct answers
Open porches
A scale ruler is used in correct answers determining the location of outlets
The ___________ is NOT an important piece of information to gather before performing load
calculations correct answers location of circuit breakers
The __________, including the strip heat and blower motor, is necessary information for
calculating loads correct answers total volt-ampere load
The lighting load for residential dwelling units is _____________ volt-amperes (VA) per square
foot correct answers 3
The ____________ for each floor of a one-family dwelling shall be computed using the outside
dimensions correct answers floor area
_______________ must be included when calculating a dwelling unit service correct answers
Small-appliance branch circuits
A dwelling unit must have at least ______________ small-appliance branch circuit(s). correct
answers 2
Each laundry branch circuit is calculated at _______________ correct answers no less than 1500
volt-amperes
Individual household cooking appliances rated more than ___________ watts (volt-amperes) can
be derated by using Table 220.55 demand factors ( and all of the appliance notes). correct
answers 1750
No derating is allowed when there are only one, two, or three ____________ appliances. correct
answers fastened-in place
The term _______________ designates utilization equipment commonly built in standardized
types and sizes and installed as a unit the perform specific function(s). correct answers appliance
Multiplying voltage by amperage produces ____________. correct answers volt-amperes (VA)
, A clothes dryer neutral load on a feeder can be calculated at ___________%. correct answers 70
Horsepower ratings must be converted to ______________ before they can be added to the load
calculation form. correct answers volt-amperes (VA)
The smaller of two (or more) ____________ loads can be omitted, as long as they are never
energized simultaneously. correct answers noncoincedent
For the purpose of the standard method load calculation for a one-family dwelling, the terms
neutral and ____________ are synonymous. correct answers grounded
A demand factor of ___________% can be applied to the nameplate rating load of four or more
fastened-in-place appliances. correct answers 75
In outdoor applications, ___________ grounding electrode conductors must not be installed
within 18in (450 mm) of the earth. correct answers aluminum
______________ are not included in calculating receptacle loads for appliances. correct answers
Air-conditioning systems
The exact nameplate rating of the clothes dryer, even if less than ___________ volt-amperes
should be used in load calculations. correct answers 5000
For a service rated 100 through 400 A, the service conductors supplying the entire load
associated with a one-family dwelling shall be permitted to have an ampacity not less
____________ % of the service rating. correct answers 83
The minimum size grounding electrode conductor is ____________ AWG copper ( or 4 AWG
aluminum). correct answers 6
Service-entrance and overhead service conductors shall be arranged so that
_________________. correct answers water shall not enter the service raceway or equipment
The radius of the curve of the inner edge of any bend in service-entrance cable must be at least
___________ times the diameter of the cable. correct answers 5
Type _________ cable can be formed in a gooseneck and taped with a self-sealing weather-
resistant thermoplastic. correct answers SE
Entrance cables must be supported within ____________ of every raceway or enclosure
connection. correct answers 12in. (300 mm)
Although not stipulated in the NEC, some local jurisdictions have adopted _____________ for
service conductors. correct answers specific distance requirements
