CO alarms are required in single- and multi-family dwellings, boarding houses, hotels, motels, dorms, apartments, adult and child care facilities. Combination devices with two or more technologies that are incorporated into one unit shall have simulated voice and tone alarm features which clearly distinguishes between two or more events such as carbon monoxide and smoke.…

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The Massachusetts Comprehensive Fire Safety Code requires the installation of hardwired photoelectric smoke alarms or 10-year battery photoelectric smoke alarms in homes built or modified before 1975 prior to sale. The code exempts photoelectric battery-operated smoke alarms that use low-power radio frequency wireless communication signals, Wi-Fi or other Wireless Local Area Networking capability. Effective date:…

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Smoke alarms are generally required in residential settings. Hard-wired smoke alarms are required in all new construction. Combination devices with two or more technologies that are incorporated into one unit shall have simulated voice and tone alarm features which clearly distinguishes between two or more events such as carbon monoxide and smoke.

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