A set of conductors will feed power to an outbuilding with equipment having a total load of 12 000 VA. The building is 200 ft from the 120 V power source. Determine the required wire size for copper and aluminum conductors at a maximum voltage drop of 3%.
A set of conductors will feed power to an outbuilding with equipment having a total load of 12 000 VA. The building is 200 ft from the 120 V power source. Determine the required wire size for copper and aluminum conductors at a maximum voltage drop of 3%.
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please answer the 2 questions. thank youuuu
Transcribed Image Text:1. Determine the ampacity of a No. 12 AWG copper conductor with THHN insulation that will be
used in a 277 V, two-wire circuit in an environment with an average ambient air temperature
of no greater than 86°F (30°C). Neglect temperature and bundling correction factors.
2. A set of conductors will feed power to an outbuilding with equipment having a total load of
12 000 VA. The building is 200 ft from the 120 V power source. Determine the required wire
size for copper and aluminum conductors at a maximum voltage drop of 3%.
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