This is digital version of the most frequently used ampacity tables that you would find in Electrical Codes - Canada's CEC and U.S.'s NEC. Look up the right values and apply correction factors quickly. It takes less space on screen than would the paper version on your desk. It's only a click away and it's free. Download.
"NEC Ampacity Calculator is an efficient piece of software ... dedicated to users that need to often look-up NEC tables and apply correction factors." – Softpedia Review