Compiled Laws, Chapter 750. Michigan Penal Code § 750.383a

Sec. 383a.A person, without lawful authority, shall not willfully cut, break, obstruct, injure, destroy, tamper with or manipulate, deface, or steal any machinery, tools, equipment, telephone line or post, telegraph line or post, telecommunication line, tower, or post, electric line, post, tower or supporting structures, electric wire, insulator, switch, or signal, natural gas pipeline, water pipeline, steam heat pipeline or the valves or other appliances or equipment appertaining to or used in connection with those lines, or any other appliance or component of the electric, telecommunication, or natural gas infrastructure that is the property of a utility. A person who violates this section is guilty of a felony punishable by imprisonment for not more than 5 years or a fine of not more than $5,000.00, or both. As used in this section, “utility” includes any pipeline, gas, electric, heat, water, oil, sewer, telephone, telegraph, telecommunication, radio, railway, railroad, airplane, transportation, communication or other system, whether or not publicly owned, that is operated for the public use.