ELECTRICAL LEVEL 3 MODULE 1 LOAD CALCULATIONS AND BRANCH
FEEDER CIRCUITS-FINAL EXAM| ACTUAL EXAM-LATEST UPDATE 2025 |
COMPLETE QUESTIONS WITH CORRECT DETAILED AND VERIFIED ANSWERS |
RATED 100% CORRECT!! ALREADY GRADED A+ | GUARANTEED PASS!!
According to the NEC®, the ampacity of branch circuit conductors must be derated when there
are more than how many current-carrying conductors in a raceway? - (answers)3
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)? - (answers)225%
Conductors must be derated when installed in conduit - (answers)on or above rooftops
Continuous loads are calculated at what percentage of the maximum current rating of the
overcurrent device? - (answers)80%
For a given load and length, the branch circuit voltage drop should not exceed - (answers)3%
For resistance welders, the rating for the overcurrent protection device should not exceed what
percentage of the primary current rating of the welder? - (answers)300%
Show window lighting is calculated at 200VA per linear foot plus - (answers)125%
The allowable ampacity for eleven No. 12 THHN copper conductors in a cable must be adjusted
by - (answers)50%
The load for 10' of multi-outlet assembly used to supply several loads simultaneously is -
(answers)1,800VA
The maximum size dual-element fuse for a 40hp, 3Ø, 460V motor with a Design Letter D is -
(answers)100A
, What is the demand load for one household range with a nameplate rating of 11.75kW, 240V,
1Ø? - (answers)8kW
What is the current-carrying capacity for No. 6 THWN aluminum conductors in conduit run
through an ambient temperature of 38°C? - (answers)44 Amps
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? 13.75A -
(answers)13.75A
What is the load center distance for a 208V, four-wire, three-phase branch circuit with fixed
noncontinuous loads from the source of 60A at 45', 40A at 60', 30A at 75', and 25A at 100' -
(answers)63.55'
What is the load center length for a branch circuit consisting of noncontinuous loads of 125A at
80', 75A at 110', and 50A at 100'? - (answers)93'
What is the load center length for a branch circuit with noncontinuous loads of 20A at 60' and
50A at 125'? - (answers)106.43'
What is the load for 55' of show window using the linear foot method? - (answers)13,750VA
What is the motor full-load current for a motor with a nameplate rating of 50hp, 460V, 3Ø? -
(answers)65A
What is the required circuit ampacity of a noncontinuous, single-phase load of 8.5kW at 277V? -
(answers)30.69A
What is the required circuit ampacity for a noncontinuous, three-phase load of 6kW at 208V? -
(answers)16.65A
What is the total ampacity for a 120V branch circuit consisting of four duplex receptacles rated
noncontinuous duty and six duplex receptacles rated continuous duty? - (answers)17.25A
FEEDER CIRCUITS-FINAL EXAM| ACTUAL EXAM-LATEST UPDATE 2025 |
COMPLETE QUESTIONS WITH CORRECT DETAILED AND VERIFIED ANSWERS |
RATED 100% CORRECT!! ALREADY GRADED A+ | GUARANTEED PASS!!
According to the NEC®, the ampacity of branch circuit conductors must be derated when there
are more than how many current-carrying conductors in a raceway? - (answers)3
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)? - (answers)225%
Conductors must be derated when installed in conduit - (answers)on or above rooftops
Continuous loads are calculated at what percentage of the maximum current rating of the
overcurrent device? - (answers)80%
For a given load and length, the branch circuit voltage drop should not exceed - (answers)3%
For resistance welders, the rating for the overcurrent protection device should not exceed what
percentage of the primary current rating of the welder? - (answers)300%
Show window lighting is calculated at 200VA per linear foot plus - (answers)125%
The allowable ampacity for eleven No. 12 THHN copper conductors in a cable must be adjusted
by - (answers)50%
The load for 10' of multi-outlet assembly used to supply several loads simultaneously is -
(answers)1,800VA
The maximum size dual-element fuse for a 40hp, 3Ø, 460V motor with a Design Letter D is -
(answers)100A
, What is the demand load for one household range with a nameplate rating of 11.75kW, 240V,
1Ø? - (answers)8kW
What is the current-carrying capacity for No. 6 THWN aluminum conductors in conduit run
through an ambient temperature of 38°C? - (answers)44 Amps
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? 13.75A -
(answers)13.75A
What is the load center distance for a 208V, four-wire, three-phase branch circuit with fixed
noncontinuous loads from the source of 60A at 45', 40A at 60', 30A at 75', and 25A at 100' -
(answers)63.55'
What is the load center length for a branch circuit consisting of noncontinuous loads of 125A at
80', 75A at 110', and 50A at 100'? - (answers)93'
What is the load center length for a branch circuit with noncontinuous loads of 20A at 60' and
50A at 125'? - (answers)106.43'
What is the load for 55' of show window using the linear foot method? - (answers)13,750VA
What is the motor full-load current for a motor with a nameplate rating of 50hp, 460V, 3Ø? -
(answers)65A
What is the required circuit ampacity of a noncontinuous, single-phase load of 8.5kW at 277V? -
(answers)30.69A
What is the required circuit ampacity for a noncontinuous, three-phase load of 6kW at 208V? -
(answers)16.65A
What is the total ampacity for a 120V branch circuit consisting of four duplex receptacles rated
noncontinuous duty and six duplex receptacles rated continuous duty? - (answers)17.25A
