Illinois Statutes Chapter 425. Fire Safety § 12/5. Fire protection devices neither designed nor capable of function

(a) The manufacture, installation, or sale of any device or object that reasonably appears to be a smoke detector, sprinkler head, carbon monoxide alarm, heat detector, or any other similar device used for life safety or fire protection that is, in fact, neither designed nor capable of performing such life safety or fire protection function, is prohibited.

(b) A person who violates this Act is guilty of a petty offense and shall be fined a maximum of $100 for the first offense, $500 for the second offense, and $1,000 for the third or subsequent offense. Each day that a device or devices are installed in violation of this Section constitutes a separate offense.

(c) Inspectors employed by municipalities, fire protection districts, and counties, those individuals who meet the requirements of subsection (f) of Section 20 of the Fire Sprinkler Contractor Licensing Act, and individuals licensed under the Professional Engineering Practice Act of 1989 may inspect devices described in subsection (a) to ensure compliance with this Act. No such inspection shall be conducted in any room or suite of rooms used for human habitation, including any single family residence, living unit of a multiple family residence, or living unit in a mixed use building.

(d) Subsection (a) of this Section does not apply to sworn law enforcement officers utilizing a facsimile smoke detector, sprinkler head, carbon monoxide alarm, heat detector, or any other similar device in furtherance of a criminal investigation.