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What is the wire size for a 30amp circuit at 200 feet?

Asked Feb 17, 2010, 04:05 AM — 3 Answers
I am trying to install a 30amp sub-panel out to my barn from the house. The wire run is approximately 200 feet including the internal wire distance in both buildings. What wire size do I need to use? Will 8/3 with ground be sufficient?

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tkrussell's Avatar
tkrussell Posts: 9,673, Reputation: 3698
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#2

Feb 17, 2010, 04:08 AM


#4 copper will be needed to deliver 30 amps 120 volts 200 feet.
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danarh's Avatar
danarh Posts: 2, Reputation: 1
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#3

Feb 17, 2010, 04:33 AM
My oversight...sorry. 30 amps 240V at 200 feet. What is the required wire size?
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tkrussell's Avatar
tkrussell Posts: 9,673, Reputation: 3698
Senior Electrical & Lighting Expert
 
#4

Feb 17, 2010, 04:45 AM


#6
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