I noticed that there is a small nick in the plastic sheathing of a run
of Romex cable in my basement (it was installed & reportedly inspected
by a licensed electrician about 4 years ago).
The bare copper ground is clearly visible through the nick but the
other conductors *appear*
to be intact.
Does the NEC allow repair of such a nick or do I need to call the
electrician back in to replace the entire run?
If repair is allowed, what needs to be done to make a safe & legal