I need to run a wire 15' carrying 3 amps. If I am using the Continuous Circuit Chart from AC 43 1B correctly then 20 gauge would suffice. However, when I check it using the Wire Barn Calculator I get a different answer. I figure I am doing something wrong. Your help is appreciated.
![Cont_Wire_Chart.jpg](/proxy.php?image=http%3A%2F%2Fmybad.net%2Fimages%2FCont_Wire_Chart.jpg&hash=da0db086486f068ced58d50f0d29ef80)
![wiresize.jpg](/proxy.php?image=http%3A%2F%2Fmybad.net%2Fimages%2Fwiresize.jpg&hash=e9a8cef411d271d0a4405211b683c7dc)