All carbon monoxide alarms, carbon monoxide detectors, combination smoke/carbon monoxide alarms or combination smoke/carbon monoxide detectors shall be UL 2034 listed or UL 2075 listed, as applicable, and installed in accordance with the provisions of this code, the manufacturer's instructions, the listing criteria, 527 CMR 12.00: Massachusetts Electrical Code (Amendments) and NFPA 720.
780 CMR, 916.4