(a) Electrical. A person may not engage in or pursue the work, trade, or business of installing, erecting, repairing, or providing maintenance service for electrical conductors, appliances, or devices that utilize electric current for their operation or for the production of light, heat, or power without an electrician's license issued by the Department.
(b) Gasfitting. A person may not work as a journeyman gasfitter, master gasfitter, restricted gasfitter, or restricted journeyman gasfitter without a license issued by the Department.
(c) Mechanical.
(1) Except as provided in subsections (c)(2) and (c)(3), a person may not engage in the pursuit of the mechanical trade or business without a license issued by the Department.
(2) A person possessing a master electrician's license issued by the Department is not required to be licensed to install, service, repair, or replace individually-controlled electric resistance heat.
(3) A license is not required for a person employed by a public utility or by the United States Government while the person is performing work on installations or systems on or within buildings or structures owned or occupied by the employer; for the installation, maintenance, repair, or replacement of refrigeration, air conditioning, or heating equipment in or on motor vehicles or railroad rolling stock; or for the installation, maintenance, repair, or replacement of self-contained heating, cooling, refrigerating, ventilating, or other appliances requiring 115 volts or less of electrical current.
(d) Plumbing. A person may not engage in the business or work of plumbing, including constructing, altering, repairing, modifying, or installing sewage disposal systems in the County, as a master plumber, journeyman plumber, utility contractor, or disposal system contractor in the County, or do any plumbing work in the County, without a license issued by the Department.
(1985 Code, Art. 16, §§ 6-301, 7-301, 11-301, 14-301) (Bill No. 23-04)
State Code reference – Business Occupations and Professions Article, Titles 6 and 12.