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Exam (elaborations)

Electrical Level 3 Module 1 Load Calculations and Branch Feeder Circuits questions with correct answers.

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Electrical Level 3 Module 1 Load Calculations and Branch Feeder Circuits questions with correct answers.

Institution
Electrical Level 3 Module 1
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Electrical Level 3 Module 1








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Institution
Electrical Level 3 Module 1
Course
Electrical Level 3 Module 1

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Uploaded on
December 19, 2024
Number of pages
3
Written in
2024/2025
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Electrical Level 3 Module 1 Load
Calculations and Branch Feeder Circuits
questions with correct answers
According mmto mmthe mmNEC®, mmthe mmampacity mmof mmbranch mmcircuit mmconductors
mmmust mmbe mmderated mmwhen mmthere mmare mmmore mmthan mmhow mmmany mmcurrent-
carrying mmconductors mmin mma mmraceway? mm- mmANS-3

Air mmconditioning mmovercurrent mmprotective mmdevices mmcan mmnever mmexceed
mmwhat mmpercentage mmof mmthe mmmotor-rated mmload mmcurrent mmor mmthe mmbranch
mmcircuit mmselection mmcurrent mm(whichever mmis mmgreater)? mm- mmANS-225%


Conductors mmmust mmbe mmderated mmwhen mminstalled mmin mmconduit mm- mmANS-on
mmor mmabove mmrooftops


Continuous mmloads mmare mmcalculated mmat mmwhat mmpercentage mmof mmthe
mmmaximum mmcurrent mmrating mmof mmthe mmovercurrent mmdevice? mm- mmANS-80%


For mma mmgiven mmload mmand mmlength, mmthe mmbranch mmcircuit mmvoltage mmdrop
mmshould mmnot mmexceed mm- mmANS-3%


For mmresistance mmwelders, mmthe mmrating mmfor mmthe mmovercurrent mmprotection
mmdevice mmshould mmnot mmexceed mmwhat mmpercentage mmof mmthe mmprimary
mmcurrent mmrating mmof mmthe mmwelder? mm- mmANS-300%


Show mmwindow mmlighting mmis mmcalculated mmat mm200VA mmper mmlinear mmfoot mmplus
mm- mmANS-125%


The mmallowable mmampacity mmfor mmeleven mmNo. mm12 mmTHHN mmcopper
mmconductors mmin mma mmcable mmmust mmbe mmadjusted mmby mm- mmANS-50%


The mmload mmfor mm10' mmof mmmulti-outlet mmassembly mmused mmto mmsupply mmseveral
mmloads mmsimultaneously mmis mm- mmANS-1,800VA


The mmmaximum mmsize mmdual-element mmfuse mmfor mma mm40hp, mm3Ø, mm460V
mmmotor mmwith mma mmDesign mmLetter mmD mmis mm- mmANS-100A

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