Maryland Code, Criminal Law § 6-303

(1) an employee of or a person authorized by an electric company; and

(2) supervision and control of an electric company and its material, equipment, or facilities by the political subdivision within which the electric company is doing business.

(1) tamper or interfere with the material, equipment, or facilities of an electric company;

(2) make a connection with an electrical conductor to use the electricity; or

(3) tamper with a meter used to register electricity consumed.

(1) a connection, wire, conductor, meter alteration, or other device that diverts electricity without the electric current being registered by the meter installed by the electric company that supplies the electricity;

(2) the use of electricity supplied by an electric company without the electricity being registered on a meter that the electric company supplied; and

(3) a showing by a check or test meter used by the electric company that a customer uses more electricity than is registered on the meter that the electric company supplied for the customer's premises.