CO alarms are required outside of each separate sleeping area in the immediate vicinity of the bedrooms in all newly constructed one and two-family dwellings and town homes not more than three stories Effective date: January 2013

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Phoenix: The City of Phoenix requires that solely battery-operated smoke alarms be replaced with smoke alarms with 10-year sealed lithium batteries once existing alarms expire. This amendment affects only existing dwelling units that are allowed to have solely battery-operated smoke alarms, which limits the scope of this regulation to single-family homes and apartment units built…

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Smoke alarms are generally required in residential settings. Hard-wired smoke alarms are required in all new construction in local jurisdictions that have adopted IRC 2009. Code adoptions occur at the local level in Arizona.

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