s, Power Engineers and other Electrical Professionals.Written by a working Electrician using it on a daily basis.Calculations per National Electrical Code 2005, 2008 and2011.o NEW Residential/Load Calculations- Single Family Dwelling- Multi Family Dwelling- Range Calculations- Send results via email for verification and documentationo Ampacity / Wire Size (AWG only) - Wire Size -> Ampacity - Ampac