No person shall work as a master, residential master, journeyman, residential journeyman,
apprentice electrician or air conditioning electrician, in the city unless he possesses
a license from the state board of electrical examiners (in which case he must register
with the building department and pay the required fees), or must have passed an examination
administered by the city electrical examining board, prior to the board's abolition
of December 31, 1987.