§ 9A-103
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/md/business-regulation/9a-103·A research copy — for the controlling text, always check the official state or federal source. Not legal advice.
§9A–103.
This title does not limit the right of:
(1)an individual owner of a single-family dwelling while that owner is practicing heating, ventilation, air-conditioning, or refrigeration services on or within a building or structure owned by the individual;
(2)an individual who is building a single-family dwelling in which that individual will reside while practicing heating, ventilation, air-conditioning, or refrigeration services on or within that dwelling;
(3)an employee of a public utility company regulated by the Public Service Commission, when engaged in:
(i)the development, construction, maintenance, or repair of electric or gas facilities located in the State; or
(ii)the construction, maintenance, or repair of electric or gas appliances in the service area of the public utility;
(4)subject to § 9A-403(a) of this title, an employee of the United States government, the State government, a local government, or an independent agency while that employee is practicing heating, ventilation, air-conditioning, or refrigeration services on or within buildings or structures owned or solely occupied by the United States government, the State government, a local government, or an independent agency;
(5)an individual employed in the installation, maintenance, alteration, repair, or replacement of self-contained appliances requiring not more than 225 volts or 25 amperes of electrical current;
(6)an individual possessing a master electrician's license issued by the State or any county, when engaged in the installation, alteration, service, repair, or replacement of individually controlled electric resistance heat;
(7)an individual possessing a master plumber's license issued by the State, Baltimore County, or the Washington Suburban Sanitary Commission when providing heating, ventilation, air-conditioning, or refrigeration services on hydronic heating systems;
(8)an individual possessing a license to practice engineering when providing heating, ventilation, air-conditioning, or refrigeration services in connection with the practice of engineering;
(9)an individual who installs, alters, remodels, maintains, or repairs oil burners exclusively while employed by a supplier of home heating fuel; or
(10)an individual regularly employed by the owner of property, or the owner's agent, to engage in maintenance and repair work.