©THEBRIGHT 2024/2025 ALL RIGHTS RESERVED.
Electrical Final 3A Exam Questions And
Answers 100% Guaranteed Pass.
Refer to the 2020 edition of the NEC®. The demand load for four pieces of commercial cooking
equipment is _____. - Answer✔80%
Refer to the 2020 edition of the NEC®. Continuous loads are calculated at what percentage of
the maximum current rating of the overcurrent device? - Answer✔80%
Refer to the 2020 edition of the NEC®. What is the total load required by the NEC® for four
appliance branch circuits plus a laundry branch circuit? - Answer✔7500VA
Refer to the 2020 edition of the NEC®. The load center length for a branch circuit with
noncontinuous loads of 125A at 80' from the source, 75A at 110' from the source, and 50A at
100' from the source is _____. - Answer✔93'
Refer to the 2020 edition of the NEC®. What is the feeder load (in VA) for four small appliance
branch circuits? - Answer✔6000VA
Refer to the 2020 edition of the NEC®. What is the lighting load on a 120V circuit for six 100W
incandescent lights and four fluorescent fixtures with a ballast rating of 1.5A, all operating
continuously for 8 hours per day? - Answer✔13.75A
Refer to the 2020 edition of the NEC®. What is the required branch circuit ampacity of a water
heater with a nameplate rating of 7,200VA at 240V? - Answer✔37.5A
Refer to the 2020 edition of the NEC®. What is the MINIMUM ampacity for the branch circuit
conductors for a single-phase motor rated at 2hp, 230V? - Answer✔15A
Refer to the 2020 edition of the NEC®. The MAXIMUM size dual-element fuse for a 40hp, 3Ø,
460V motor with a Design Letter D is _____. - Answer✔100A
Refer to the 2020 edition of the NEC®. A sign load CANNOT exceed _____. - Answer✔80% of
the branch circuit rating
Refer to the 2020 edition of the NEC®. When space heating equipment uses electric resistance
heating elements, protection for the resistance elements must NOT exceed _____. -
Answer✔60A
Refer to the 2020 edition of the NEC®. What is the motor full-load current for an induction type
motor with a nameplate rating of 30hp, 460V, 3Ø? - Answer✔40A
1|Page
, ©THEBRIGHT 2024/2025 ALL RIGHTS RESERVED.
Refer to the 2020 edition of the NEC®. What is the feeder load (in VA) for the minimum
number of small appliance branch circuits required in a residential kitchen? - Answer✔3000VA
Refer to the 2020 edition of the NEC®. For resistance welders, the rating for the overcurrent
protection device should NOT exceed _____. - Answer✔300% of the primary current rating of
the welder
Refer to the 2020 edition of the NEC®. What is the required circuit ampacity of a
noncontinuous, single-phase load of 8.5kW at 277V? - Answer✔30.69A
Refer to the 2020 edition of the NEC®. The load for 30' of multi-outlet assembly used to supply
several loads simultaneously is _____. - Answer✔5400VA
Refer to the 2020 edition of the NEC®. The load center length for a 208V, four-wire, three-phase
branch circuit with fixed noncontinuous loads of 60A at 45' from the source, 40A at 60' from the
source, 30A at 75' from the source, and 25A at 100' from the source is _____. - Answer✔63.55'
Refer to the 2020 edition of the NEC®. A noncontinuous load of three 120V outlets for heavy-
duty lamp holders would have a load of _____. - Answer✔1800VA
Refer to the 2020 edition of the NEC®. What is the voltage drop for a 120V, single-phase, two-
wire branch circuit, 100' long, using copper conductors of 6,530 circular mils with a
noncontinuous load of 13A? - Answer✔5.14V
Refer to the 2020 edition of the NEC®. The total load of show windows must be calculated at
NOT less than _____. - Answer✔200VA per linear foot of show window
Refer to the 2020 edition of the NEC®. What is the total ampacity for a 120V branch circuit
consisting of four duplex receptacles rated noncontinuous duty and four duplex receptacles rated
continuous duty? - Answer✔13.5A
Refer to the 2020 edition of the NEC®. What is the demand load for one household range with a
nameplate rating of 10kW, 240V, 1Ø? - Answer✔8kW
Refer to the 2020 edition of the NEC®. What is the current-carrying capacity for No. 6 THWN
aluminum conductors in conduit run through an ambient temperature of 38°C? - Answer✔44A
Refer to the 2020 edition of the NEC®. Air conditioning overcurrent protective devices can
never exceed what percentage of the motor-rated load current or the branch circuit selection
current (whichever is greater)? - Answer✔225%
Refer to the 2020 edition of the NEC®. What is the demand factor for three commercial ranges?
- Answer✔90%
If a conductor has a diameter of 80 mils, its diameter in inches is _____. - Answer✔0.08
Which of the following MUST be considered when determining the size of the conductor
required to connect an electrical load to the source of supply? - Answer✔permissible voltage
drop
2|Page
Electrical Final 3A Exam Questions And
Answers 100% Guaranteed Pass.
Refer to the 2020 edition of the NEC®. The demand load for four pieces of commercial cooking
equipment is _____. - Answer✔80%
Refer to the 2020 edition of the NEC®. Continuous loads are calculated at what percentage of
the maximum current rating of the overcurrent device? - Answer✔80%
Refer to the 2020 edition of the NEC®. What is the total load required by the NEC® for four
appliance branch circuits plus a laundry branch circuit? - Answer✔7500VA
Refer to the 2020 edition of the NEC®. The load center length for a branch circuit with
noncontinuous loads of 125A at 80' from the source, 75A at 110' from the source, and 50A at
100' from the source is _____. - Answer✔93'
Refer to the 2020 edition of the NEC®. What is the feeder load (in VA) for four small appliance
branch circuits? - Answer✔6000VA
Refer to the 2020 edition of the NEC®. What is the lighting load on a 120V circuit for six 100W
incandescent lights and four fluorescent fixtures with a ballast rating of 1.5A, all operating
continuously for 8 hours per day? - Answer✔13.75A
Refer to the 2020 edition of the NEC®. What is the required branch circuit ampacity of a water
heater with a nameplate rating of 7,200VA at 240V? - Answer✔37.5A
Refer to the 2020 edition of the NEC®. What is the MINIMUM ampacity for the branch circuit
conductors for a single-phase motor rated at 2hp, 230V? - Answer✔15A
Refer to the 2020 edition of the NEC®. The MAXIMUM size dual-element fuse for a 40hp, 3Ø,
460V motor with a Design Letter D is _____. - Answer✔100A
Refer to the 2020 edition of the NEC®. A sign load CANNOT exceed _____. - Answer✔80% of
the branch circuit rating
Refer to the 2020 edition of the NEC®. When space heating equipment uses electric resistance
heating elements, protection for the resistance elements must NOT exceed _____. -
Answer✔60A
Refer to the 2020 edition of the NEC®. What is the motor full-load current for an induction type
motor with a nameplate rating of 30hp, 460V, 3Ø? - Answer✔40A
1|Page
, ©THEBRIGHT 2024/2025 ALL RIGHTS RESERVED.
Refer to the 2020 edition of the NEC®. What is the feeder load (in VA) for the minimum
number of small appliance branch circuits required in a residential kitchen? - Answer✔3000VA
Refer to the 2020 edition of the NEC®. For resistance welders, the rating for the overcurrent
protection device should NOT exceed _____. - Answer✔300% of the primary current rating of
the welder
Refer to the 2020 edition of the NEC®. What is the required circuit ampacity of a
noncontinuous, single-phase load of 8.5kW at 277V? - Answer✔30.69A
Refer to the 2020 edition of the NEC®. The load for 30' of multi-outlet assembly used to supply
several loads simultaneously is _____. - Answer✔5400VA
Refer to the 2020 edition of the NEC®. The load center length for a 208V, four-wire, three-phase
branch circuit with fixed noncontinuous loads of 60A at 45' from the source, 40A at 60' from the
source, 30A at 75' from the source, and 25A at 100' from the source is _____. - Answer✔63.55'
Refer to the 2020 edition of the NEC®. A noncontinuous load of three 120V outlets for heavy-
duty lamp holders would have a load of _____. - Answer✔1800VA
Refer to the 2020 edition of the NEC®. What is the voltage drop for a 120V, single-phase, two-
wire branch circuit, 100' long, using copper conductors of 6,530 circular mils with a
noncontinuous load of 13A? - Answer✔5.14V
Refer to the 2020 edition of the NEC®. The total load of show windows must be calculated at
NOT less than _____. - Answer✔200VA per linear foot of show window
Refer to the 2020 edition of the NEC®. What is the total ampacity for a 120V branch circuit
consisting of four duplex receptacles rated noncontinuous duty and four duplex receptacles rated
continuous duty? - Answer✔13.5A
Refer to the 2020 edition of the NEC®. What is the demand load for one household range with a
nameplate rating of 10kW, 240V, 1Ø? - Answer✔8kW
Refer to the 2020 edition of the NEC®. What is the current-carrying capacity for No. 6 THWN
aluminum conductors in conduit run through an ambient temperature of 38°C? - Answer✔44A
Refer to the 2020 edition of the NEC®. Air conditioning overcurrent protective devices can
never exceed what percentage of the motor-rated load current or the branch circuit selection
current (whichever is greater)? - Answer✔225%
Refer to the 2020 edition of the NEC®. What is the demand factor for three commercial ranges?
- Answer✔90%
If a conductor has a diameter of 80 mils, its diameter in inches is _____. - Answer✔0.08
Which of the following MUST be considered when determining the size of the conductor
required to connect an electrical load to the source of supply? - Answer✔permissible voltage
drop
2|Page
