6. a. The board shall require each Class A journeyman electrician, other than a Class A journeyman electrician licensed to practice electrical contracting issued by the board, and each Class B wireman, as a condition for triennial license renewal pursuant to section 1 of P.L.1972, c.108 (C.45:1-7), to complete a 15-hour course of study relating to the most recent edition of the National Electrical Code.
b. The board shall approve all programs of education for the 15-hour course of study established pursuant to subsection a. of this section and the instructors for those courses.