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Carbon Monoxide (CO) Alarms

Voluntary Standard(s)

UL 2034, 4th Edition

Single and Multiple Station Carbon Monoxide Alarms


NFPA 72, 2019 Edition

National Fire Alarm and Signaling Code

Relevant Rulemaking



To work with UL, NFPA, and other stakeholders on potential revisions to voluntary standards and codes to strengthen safety provisions addressing hazards mitigated by carbon monoxide alarms.

Report an unsafe product