Re: heres a v/d calculator

Posted by paul on February 17, 2009 at 17:26:54 from (66.44.132.127):

In Reply to: Re: o/t electrical question posted by paul on February 17, 2009 at 17:19:59:

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

This site is a bit dramatic, some say it goes overboard giving you a wire for a 3% voltage drop, while 5% is allowed and would use a smaller wire.... True, but you are going to have wires running through the building yet, so the wire will be longer, accounting for another % or 2 of drop perhaps..... There are other calculators online, might want to find a less conservative one if you want to skimp a bit. :)

If you plug in your numbers, you will find that running a 240v run out there will probably be cheaper than trying to get anything useable at 120v..... Looks like you'd only get 2 amps or less useable at such a long distance on a #12 wire!

--->Paul

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