NFPA 720: Standard for the Installation of Carbon Monoxide (CO) Detection and Warning Equipment, (2015 edition), NFPA; 1 Batterymarch Park, Quincy MA 02269; (617)770-3000 or (800)344-3555; www.nfpa.org.
UL 217: Standard for Smoke Alarms (8th edition; October 30, 2015); Underwriters Laboratories, 333 Pfingsten Road, Northbrook IL 60062; (877)854-3577; www.ul.com.
UL 268: Smoke Detectors for Fire Alarm Systems (7th edition; January 11, 2016); Underwriters Laboratories, 333 Pfingsten Road, Northbrook IL 60062; (877)854-3577; www.ul.com.
UL 2034: Standard for Single and Multiple Station Carbon Monoxide Alarms (3rd edition; February 28, 2008); Underwriters Laboratories, 333 Pfingsten Road, Northbrook IL 60062; (877)854-3577; www.ul.com.
UL 2075: Standard for Gas and Vapor Detectors and Sensors (2nd edition; March 5, 2013); Underwriters Laboratories, 333 Pfingsten Rowww.ul.comad, Northbrook IL 60062; (877)854-3577; .
Ill. Admin. Code tit. 41, § 112.180