480v Farm Service Calculation

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Knox

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I have a question on sizing a service for farm loads other than dwelling unit. The dwelling is on a separate single phase x-former supplied by the power company. The total connected load is 560A at 480V. Of the 560A, 449A are simultaneous loads. When looking at NEC part V of Article 220 it only references amp loads at 240v max. My question is to size the service properly what would the correct steps be?
Thank you for your input.
 

Smart $

Esteemed Member
Location
Ohio
I have a question on sizing a service for farm loads other than dwelling unit. The dwelling is on a separate single phase x-former supplied by the power company. The total connected load is 560A at 480V. Of the 560A, 449A are simultaneous loads. When looking at NEC part V of Article 220 it only references amp loads at 240v max. My question is to size the service properly what would the correct steps be?
Thank you for your input.
IMO, you will have to use Part III to calculate feeder or service loads operating at greater than 240V.

Welcome to the forum :thumbsup:
 
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