Md. Code, Local Government § 13–910

(a) This section applies to all counties except:

(1) Anne Arundel County;

(2) Baltimore City;

(3) Baltimore County;

(4) Cecil County;

(5) Charles County;

(6) Howard County;

(7) Prince George’s County;

(8) Queen Anne’s County; and

(9) Worcester County.

(b) The provisions of §§ 9–105 and 9–106 of this article apply to an act, an

ordinance, or a resolution adopted by a commission county under this section.

(c) An electrical code adopted under this section does not apply to:

(1) electrical equipment or electrical appliances or devices used by

public utilities in furnishing their services; or

(2) work performed by public utilities or their affiliated companies.

(d) (1) The governing body of a county may:

(i) adopt an electrical code;

(ii) provide for inspections to enforce the code; and

(iii) impose permit and inspection fees.

(2) An electrical code adopted by the County Commissioners of

Calvert County shall be adopted by ordinance.