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  • Electrical Level 3 Module 1
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Electrical Level 3 Module 1 Load Calculations and Branch Feeder Circuits questions and answers latest update

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Electrical Level 3 Module 1 Load Calculations and Branch Feeder Circuits

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Electrical Level 3 Module 1 Load Calculations and Branch
Feeder Circuits

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? - Correct Answer -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)? - Correct Answer -225%




Conductors must be derated when installed in conduit - Correct Answer -on
or above rooftops




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




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




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




Show window lighting is calculated at 200VA per linear foot plus - Correct
Answer -125%

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