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Electrical Level 3 Module 1 Load Calculations and Branch Feeder Circuits Questions And Answers. 100% Accurate $3.69   Add to cart

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Electrical Level 3 Module 1 Load Calculations and Branch Feeder Circuits Questions And Answers. 100% Accurate

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Electrical Level 3 Module 1 Load Calculations and Branch Feeder Circuits Questions And Answers. 100% Accurate 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 Air conditioning overc...

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  • April 17, 2024
  • 3
  • 2023/2024
  • Exam (elaborations)
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Electrical Level 3 Module 1 Load Calculations and
Branch Feeder Circuits Questions And Answers.
100% Accurate


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
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)?
225%
Conductors must be derated when installed in conduit
on or above rooftops
Continuous loads are calculated at what percentage of the maximum current
rating of the overcurrent device?
80%
For a given load and length, the branch circuit voltage drop should not exceed
3%
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%

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