Chapter 5 BUILDING, CONSTRUCTION AND RELATED ACTIVITIES*

Section 5-191 Definition.

    The following word, when used in this article, shall have  the meaning ascribed to it in this section, except where the context clearly indicates a different meaning:

    Mechanical contractor means any individual who is engaged in the installation of mechanical systems, including alterations, repairs, replacement, equipment, appliances, fixtures, fittings and appurtenances, including ventilating, heating, cooling, air conditioning and refrigeration systems, incinerators and other energy-related systems under express or implied contract, or who bids for,  offers to perform, purports to have the capacity to perform, or does perform the mechanical systems described above under express or implied contract. The term "mechanical contractor" shall  not include a person who is an employee of a mechanical contractor and who receives only a salary or hourly wage for performing mechanical work.

Cross reference--Definitions and rules of construction generally,   1-2.