Md. Code, Public Safety § 12–601

(a) In this subtitle the following words have the meanings indicated.

(b) “Certified nongovernmental electrical inspector” means an individual certified by the State Fire Marshal to inspect electrical installations for conformity with the National Electrical Code or any adopted local electrical code or amendments.

(c) “Electrical installation” means any installed:

(1) electrical wires or conductors that transmit electric current for electric light, heat, or power purposes;

(2) cable, molding, duct, raceway, or conduit for the reception or protection of wires or conductors; or

(3) electrical machinery, apparatus, device, or fixture.