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[Jeff Rae]

What size wire to feed a 30 disconet 700 feet away. this is single conductor direct burial 120/208v. The load will be 30amp. and the wire is copper.

 

[peter d]

This question cannot be answered without knowing the calculated load.

 

[tshea]

120/208 3 phase or 1 phase?
How many Amps is the Load?
What type of conductor-cu or al?

Need more info.

 

[infinity]

You can plug in your info here:


http://www.elec-toolbox.com/calculators/voltdrop.htm