Final answer:
The section that pertains to wiring in plenums and other air handling spaces is usually found in the National Electrical Code (NEC), under Article 300.22(C). It outlines the requirements and guidelines for wiring in these areas.
Step-by-step explanation:
The section that pertains to wiring in plenums and other air handling spaces is usually found in the National Electrical Code (NEC), which is a set of regulations for electrical wiring and installations in the United States. This specific section is typically covered under Article 300.22(C) of the NEC. It outlines the requirements and guidelines for wiring in areas that have air handling systems and plenums.