4-008 Insulated conductors (see Appendix B) (1) Except as provided for by Rules 4-012, 4-020, and 4-040, or as may be otherwise required by other sections of this Code, insulated conductors shall be of the types specified in Table 19 for the specific condition of use and shall be suitable for the particular location involved with respect to, but not limited to (a) moisture; (b) corrosive action; (c) temperature; (d) degree of enclosure; and (e) exposure to mechanical injury.
As long as the temp rating is above ambient it is fine to fun the wire.
As long as the temp rating is above ambient it is fine to fun the wire.