Maryland Code, Labor and Employment § 2-106

(1) Title 3, Subtitle 3 of this article;

(2) Title 3, Subtitle 5 of this article;

(3) Title 3, Subtitle 13 of this article;

(4) Title 4, Subtitle 2, Parts I through III of this article;

(5) Title 5 of this article;

(6) Title 6 of this article; and

(7) Title 7 of this article.

(c)(1) After a public hearing, the Commissioner may adopt regulations that are necessary to carry out Title 3, Subtitle 4 of this article.

(2) Unless the Commissioner provides otherwise, a regulation that the Commissioner adopts under this subsection takes effect on publication.

(1) 24,940 volts between a pair of conductors; or

(2) 14,400 volts between a conductor and a ground.