According to :
On Fri, 21 Oct 2005 04:23:49 -0000,
wrote:

If you have a
long run in conduit, you shall strip the outer jacket off; the
conductors used inside the Romex are perfectly happy to continue on
inside the conduit.
Where does this urban legend come from?

When you strip off the jacket you have some unidentifed wire in the
pipe of some sort but it would be tough to convince an inspector what
it was. All the identification is on the jacket.

In the OPs situation, there'd still be jacket on part of the wire.
--
Chris Lewis, Una confibula non set est
It's not just anyone who gets a Starship Cruiser class named after them.