Don:
See 90.1(B) for ...... "proper maintenance, etc." ........, the term "maintenance" also appears many times throughout the code .. ?
The term "maintenance" was also included in the new Article 80 in many sections as well ... so how can you can say:
The maintenance and repair of existing electrical systems does not appear to be within the scope of the NEC. The scope statement in 90.2(A) seems to indicate that the code only applies to new installations or the installation of new equipment in existing facilities.
The NEC covers a few situations were the term "existing" is considered.
