310.8(C) Wet Locations. Insulated conductors and cables used in wet locations shall beOriginally Posted by Verdeboy
(1) Moisture-impervious metal-sheathed;
(2) Types MTW, RHW, RHW-2, TW, THW, THW-2, THHW, THHW-2, THWN, THWN-2, XHHW, XHHW-2, ZW; or
(3) Of a type listed for use in wet locations.
The conductors in NM cable are only required to be rated at 90 degrees and no marking is required on the conductors theirself therefore they can not be installed in a Wet Location.