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Electrical Level 3 Module 1 Load Calculations And Branch Feeder Circuits – Questions & Answers $8.99   Add to cart

Exam (elaborations)

Electrical Level 3 Module 1 Load Calculations And Branch Feeder Circuits – Questions & Answers

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  • Course
  • LOAD CALCULATIONS
  • Institution
  • LOAD CALCULATIONS

Electrical Level 3 Module 1 Load Calculations And Branch Feeder Circuits – Questions & Answers

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  • November 7, 2024
  • 3
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • LOAD CALCULATIONS
  • LOAD CALCULATIONS
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LeCrae
Electrical Level 3 Module 1 Load Calculations And
Branch Feeder Circuits – Questions & Answers

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? Right Ans - 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)? Right Ans - 225%

Conductors must be derated when installed in conduit Right Ans - on or
above rooftops

Continuous loads are calculated at what percentage of the maximum current
rating of the overcurrent device? Right Ans - 80%

For a given load and length, the branch circuit voltage drop should not exceed
Right Ans - 3%

For resistance welders, the rating for the overcurrent protection device
should not exceed what percentage of the primary current rating of the
welder? Right Ans - 300%

Show window lighting is calculated at 200VA per linear foot plus Right Ans
- 125%

The allowable ampacity for eleven No. 12 THHN copper conductors in a cable
must be adjusted by Right Ans - 50%

The load for 10' of multi-outlet assembly used to supply several loads
simultaneously is Right Ans - 1,800VA

The maximum size dual-element fuse for a 40hp, 3Ø, 460V motor with a
Design Letter D is Right Ans - 100A

What is the demand load for one household range with a nameplate rating of
11.75kW, 240V, 1Ø? Right Ans - 8kW

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