For anyone yet to sit down with the 18th Edition Public Draft, I've put together some youtube vids highlighting the majority of the proposed changes which you may find helpful.
Wiring Regulations - YouTube - https://www.youtube.com/playlist?list=PLg1OV4f2xHzViuHZNUkisjMcdHEUG2w6x
Wiring Regulations - YouTube - https://www.youtube.com/playlist?list=PLg1OV4f2xHzViuHZNUkisjMcdHEUG2w6x