Set Clocks, Check Smoke Alarms Sunday as Daylight Saving Time Ends
By Office of Communication
Posted on October 28, 2020, October 28, 2020

Daylight Saving Time ends at 2 a.m. Sunday, Nov. 3, which fire officials say is a good cue to switch out smoke detector batteries.

The Arlington Fire Department is once again reminding residents to change the batteries in smoke detectors when rolling clocks back one hour this weekend.

Daylight Saving Time ends at 2 a.m. Sunday, Nov. 1, which fire officials say is a good reminder to switch out smoke detector batteries.

Smoke detectors save lives, but they require routine maintenance to ensure proper operation. The Arlington Fire Department reminds you to test your smoke alarm every month and change the battery at least once a year. The service life of most smoke alarms is 10 years. The manufacture date is found on the back of the alarm. When your smoke alarm is 10 years old, or fails its monthly test, it needs to be replaced.

Here are some facts and figures about smoke alarms from the National Fire Protection Association:

  • In 2012-2016, smoke alarms sounded in more than half (53%) of the home fires reported to U.S. fire departments
  • Almost three of every five home fire deaths resulted from fires in homes with no smoke alarms (40%) or no working smoke alarms (17%)
  • No smoke alarms were present in two out of every five (40%) home fire deaths
  • The death rate per 1,000 reported home fires was more than twice as high in homes that did not have any working smoke alarms compared to the rate in homes with working smoke alarms (12.3 deaths vs. 5.7 deaths per 1,000 fires)
  • In fires in which the smoke alarms were present but did not operate, more than two of every five (43%) of the smoke alarms had missing or disconnected batteries
  • Dead batteries caused one-quarter (25%) of the smoke alarm failures.

SOURCE: NFPA's "Smoke Alarms in U.S. Home Fires" report, January 2019

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