Electrical Level 3 Module 1 Exam 2025 Load Calculations and
Branch Feeder Circuits GRADED A+
For resistance welders, the rating for the overcurrent protection device should not exceed what
percentage of the primary current rating of the welder?
300%
Show window lighting is calculated at 200VA per linear foot plus
125%
The allowable ampacity for eleven No. 12 THHN copper conductors in a cable must be adjusted
by
50%
The load for 10' of multi-outlet assembly used to supply several loads simultaneously is
1,800VA
The maximum size dual-element fuse for a 40hp, 3Ø, 460V motor with a Design Letter D is
100A
What is the demand load for one household range with a nameplate rating of 11.75kW, 240V,
1Ø?
8kW
, What is the current-carrying capacity for No. 6 THWN aluminum conductors in conduit run
through an ambient temperature of 38°C?
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
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'
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'?
93'
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?
3
Branch Feeder Circuits GRADED A+
For resistance welders, the rating for the overcurrent protection device should not exceed what
percentage of the primary current rating of the welder?
300%
Show window lighting is calculated at 200VA per linear foot plus
125%
The allowable ampacity for eleven No. 12 THHN copper conductors in a cable must be adjusted
by
50%
The load for 10' of multi-outlet assembly used to supply several loads simultaneously is
1,800VA
The maximum size dual-element fuse for a 40hp, 3Ø, 460V motor with a Design Letter D is
100A
What is the demand load for one household range with a nameplate rating of 11.75kW, 240V,
1Ø?
8kW
, What is the current-carrying capacity for No. 6 THWN aluminum conductors in conduit run
through an ambient temperature of 38°C?
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
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'
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'?
93'
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?
3
