Adds the following restrictions and requirements to the electrical contracting licensing classifications set forth in GS 87-43.3. Provides that the limited classification and any restricted classifications cannot require more than 3,000 hours of experience, of which no less than 2,000 hours can consist of primary experience gained by direct installation of direct wiring and equipment by the National Electric Code. Provides that intermediate classification cannot require more than 5,750 hours of experience, of which no less than 5,000 hours can consist of primary experience gained by direct installation of direct wiring and equipment by the National Electric Code. Provides that the unlimited classification cannot require more than 9,000 hours of experience, of which no less than 8,000 can consist of primary experience gained by direct installation of direct wiring and equipment by the National Electric Code. Makes organizational changes. Applies to applicants for licensure on or after October 1, 2021.