Electrical Final 3A Exam Questions And
Answers
Refer to the 2020 edition of the NEC®. The demand load for four
pieces of commercial cooking equipment is _____. -
correct 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? -
correct 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? -
correct 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 _____. -
correct answer ✅93'
Refer to the 2020 edition of the NEC®. What is the feeder load (in
VA) for four small appliance branch circuits? -
correct answer ✅6000VA
,Electrical Final 3A Exam Questions And
Answers
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? -
correct 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? -
correct 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? -
correct 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
_____. -
correct answer ✅100A
, Electrical Final 3A Exam Questions And
Answers
Refer to the 2020 edition of the NEC®. A sign load CANNOT exceed
_____. -
correct 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 _____. -
correct 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? -
correct answer ✅40A
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? -
correct answer ✅3000VA
Refer to the 2020 edition of the NEC®. For resistance welders, the
rating for the overcurrent protection device should NOT exceed
_____. -
correct answer ✅300% of the primary current rating of the welder
Answers
Refer to the 2020 edition of the NEC®. The demand load for four
pieces of commercial cooking equipment is _____. -
correct 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? -
correct 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? -
correct 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 _____. -
correct answer ✅93'
Refer to the 2020 edition of the NEC®. What is the feeder load (in
VA) for four small appliance branch circuits? -
correct answer ✅6000VA
,Electrical Final 3A Exam Questions And
Answers
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? -
correct 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? -
correct 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? -
correct 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
_____. -
correct answer ✅100A
, Electrical Final 3A Exam Questions And
Answers
Refer to the 2020 edition of the NEC®. A sign load CANNOT exceed
_____. -
correct 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 _____. -
correct 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? -
correct answer ✅40A
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? -
correct answer ✅3000VA
Refer to the 2020 edition of the NEC®. For resistance welders, the
rating for the overcurrent protection device should NOT exceed
_____. -
correct answer ✅300% of the primary current rating of the welder
