Re: OT: Barn Electric

Posted by paul on November 17, 2006 at 21:01:08 from (66.44.132.154):

In Reply to: OT: Barn Electric posted by Kent in KC on November 17, 2006 at 07:50:11:

Acording to this voltage drop calculator

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

your 400 foot run of #2 triplex is only good for 28 amps at 220v. You might be able to push 30 amps.

For such a low amp rating, you for sure want to use both legs of the wire, so you have 2 110v circuts. Or one weak 220v one.

After all, you alrady have the 3 wires burried - why not use them???????

If you only used one hot wire for 110v, you would only have 15 amps out there. hardly worth bothering with.

According to that same vdc, if the run is only 50 feet long, that same #2 wire could handle a 200 amp draw. That surprises me.

Distance makes a big difference.

--->Paul

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