If I am running a #12 AWG conductor with a K value of 10.4 for a 120VAC single phase lighting circuit 200 ft, from the junction box inside the building. What voltage would be available at the load and would it meet the NEC recommendation? If not, what would be the solution? If I am running a 3-phase, 120V/208VAC feeder circuit from the first floor service panel to the second floor 200A lighting panel. The distance between is 120 ft. If I use copper wire with a K value of 10.4, what size conductors should I use to meet the recommendations from the NEC for Voltage Drop?

If I am running a #12 AWG conductor with a K value of 10.4 for a 120VAC single phase lighting circuit 200 ft, from the junction box inside the building. What voltage would be available at the load and would it meet the NEC recommendation? If not, what would be the solution? If I am running a 3-phase, 120V/208VAC feeder circuit from the first floor service panel to the second floor 200A lighting panel. The distance between is 120 ft. If I use copper wire with a K value of 10.4, what size conductors should I use to meet the recommendations from the NEC for Voltage Drop?

Power System Analysis and Design (MindTap Course List)

6th Edition

ISBN:9781305632134

Author:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Publisher:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Chapter7: Symmetrical Faults

Section: Chapter Questions

Problem 7.16MCQ

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Most residential general lighting circuits are wired with 14-AWG copper conductors and are protected by 15-amp circuit breakers. However, there are many electricians who install 12-AWG copper conductors and protect them with 20-amp circuit breakers. How will you know which conductor size and which circuit breaker size will be used for the general lighting branch circuits in the house you are wiring?
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