Canadian Firearms Safety Course (PAL non-restricted) is for non-restricted (long guns) only. You must have this first before being elligable for the RPAL.
Canadian Restricted Firearms Safety Course (RPAL Restricted) is for restricted firearms (pistols, short barelled rifles) - while you currently can't purchase pistols, having this means you can train with them, and will be able to purchase one right away if/when the curren't ban is reversed.