I found the information on capital vs regular expense in the Wolters Kluwer "Preparing Your Income Tax Returns", which I purchase annually.  Then I googled "Canada training courses as capital costs" and got this link which referred to the training as an eligible capital expenditure and gave me the CCA class:

https://www.montrealfinancial.ca/blog/guidelines-for-deducting-conference-and-training-expenses

Jo