(1) Except as provided in subsection (2) of this section, no person other than a certificate holder or an employee of a certificate holder shall engage in the preparation of technical drawings, installation, repair, alteration, extension, maintenance or inspection of a fire protection sprinkler system or use any title, sign, card or device indicating, or intending to indicate, or represent in any manner that he is a certified fire protection sprinkler contractor without first obtaining the fire protection sprinkler contractor's license or certificate under the provisions of KRS 198B.570 or 198B.580; it being the purpose of KRS 198B.550 to 198B.630 to safeguard life, health, property, and welfare of the public.
(2) KRS 198B.550 to 198B.630 shall not apply to state or local building officials, fire marshals, fire inspectors, or insurance inspectors when acting in their official capacities.
(3) This chapter shall not apply to professional engineers in the preparation of plans or construction inspection pursuant to KRS Chapter 322.
(4) This chapter shall not apply to limited area sprinkler systems served by a domestic water supply consisting of ten (10) sprinkler heads or less in one (1) structure.