their smoke alarms are, and to replace them every 10 years
Does your home have a smoke alarm? According to the National Fire Protection Association (NFPA), the answer is likely yes: NFPA research shows that most American homes have at least one. But do you know how old your smoke alarms are? If you’re like most people, you’re probably not so sure.
NFPA 72, National Fire Alarm Code®, requires smoke alarms be replaced at least every 10 years, but because the public is generally unaware of this requirement, many homes have smoke alarms past their expiration date, putting people at increased risk.
To find out how old your smoke alarm is and its expiration date, simply look on the back of the alarm where the date of manufacture is marked. The smoke alarm should be replaced 10 years from that date (not the date of purchase). If you don't find a date of manufacture then your alarm is most likely over 15 years old and should be replaced.
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