ELECTRICAL FINAL 3A|UPDATED
QUESTIONS AND VERIFIED ANSWERS
GRADED A+
QUESTIONS & ANSWERS
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
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'
QUESTIONS AND VERIFIED ANSWERS
GRADED A+
QUESTIONS & ANSWERS
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
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'
