No collegiated [sic] expert electrician may have under his/her immediate supervision more than nine (9) apprentices or authorized assistant expert electricians.
History —June 2, 1976, No. 115, p. 334, § 11; June 12, 1980, No. 123, p. 443, § 8; renumbered as § 12 on Mar. 7, 1983, No. 4, p. 9, § 2; June 1, 1984, No. 46, p. 122, § 7; Nov. 6, 1992, No. 86, § 6.