Electricity Level 3, Section 1 Exam Questions
And Answers
What is the demand load for one household range with a
nameplate rating of 11.75kW, 240V, 1○? -
correct answer ✅8kW
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)? -
correct answer ✅225%
The NEC requires that the ampacity of branch circuit conductors be
derated when there are more than how many current-carrying
conductors in a raceway? -
correct answer ✅3
According to the NEC, the total load of show windows must be
calculated at not less than -
correct answer ✅200VA per linear foot of show window
For resistance welders, the rating for the overcurrent protection
device should not exceed what percentage of the primary current
rating of the welder? -
correct answer ✅300%
, Electricity Level 3, Section 1 Exam Questions
And Answers
What is the current-carrying capacity for No. 6 THWN aluminum
conductors in conduit run through an ambient temperature of
38°C? -
correct answer ✅44A
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? -
correct answer ✅5.14V
What is the load center length for a branch circuit with no
continuous loads of 20A at 60' from the source and 50A at 125'
from the source? -
correct answer ✅106.43'
What is the required circuit ampacity of a noncontinuous, single
phase load of 8.5kW at 277V? -
correct answer ✅30.69A
And Answers
What is the demand load for one household range with a
nameplate rating of 11.75kW, 240V, 1○? -
correct answer ✅8kW
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)? -
correct answer ✅225%
The NEC requires that the ampacity of branch circuit conductors be
derated when there are more than how many current-carrying
conductors in a raceway? -
correct answer ✅3
According to the NEC, the total load of show windows must be
calculated at not less than -
correct answer ✅200VA per linear foot of show window
For resistance welders, the rating for the overcurrent protection
device should not exceed what percentage of the primary current
rating of the welder? -
correct answer ✅300%
, Electricity Level 3, Section 1 Exam Questions
And Answers
What is the current-carrying capacity for No. 6 THWN aluminum
conductors in conduit run through an ambient temperature of
38°C? -
correct answer ✅44A
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? -
correct answer ✅5.14V
What is the load center length for a branch circuit with no
continuous loads of 20A at 60' from the source and 50A at 125'
from the source? -
correct answer ✅106.43'
What is the required circuit ampacity of a noncontinuous, single
phase load of 8.5kW at 277V? -
correct answer ✅30.69A
