Article 200 provides the requirements for using and identifying grounded conductors. But because the term “grounded conductor” is used throughout the NEC, Art. 200 doesn’t define it.
Generally, the Code Making Panels assume that it’s understood that the definition of any special term used in two or more Articles is in Art. 100. In fact, the scope of Art. 100 states this. That’s why you typically don’t see these special terms mentioned with a note th