Use of the term Section would not be a problem when discussing the rule out load because, I have found myself saying "Article 250.20", for example, and use of the word "Article" to identify a "Section" is a major "Code Scholar's offense!
I shutter when I see that in writing, or hear someone say it that way!
The accepted use of the word "DOT" is well established, and was the subject of some discussion early on.
Use of the word "period" sounds strange.
I was not having any problems with the word "dash" and worked with NFPA' s Electrical Engineer Pete Schram, who used the word "Hyphen".
If you want to learn more about the NEC Style you can download the "NEC Style Manual" from the NEC web site, or I can send it to you if you want.
Are you using the 2002 NEC for the inspection's made in your city?
Joe Tedesco, NEC Consultant