fromBoston.com
3 days agoAsk the remodeler: Make your home fire and carbon monoxide safe before hosting for the holidays
Homes built before 1975 can still use battery-operated smoke detectors and generally don't have to abide by rules around location. The battery-operated units do need to be UL safety listed and have a 10-year sealed battery, not a throwaway 9-volt. They also need to have a "hush" button to allow someone to quiet the detector after a nuisance alarm. These features prevent someone from taking the battery out and forgetting to reinsert it.
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