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Change Your Clock – Check Your Smoke Alarm | News Release | Fairfax County Fire and Rescue Department

Remember, we move our clocks back one hour early Sunday morning! You also need to remember that when you change your clock we want you to check your smoke alarm to ensure it is working.

Our friends at the U.S. Fire Administration recommend the following regarding the different types of smoke alarms out there:

Smoke alarm powered by a nine-volt battery
• Test the alarm monthly.
• Replace the batteries at least once every year.
• Replace the entire smoke alarm every 10 years.

Smoke alarm powered by a 10-year lithium (or “long-life”) battery
• Test the alarm monthly.
• Since you cannot (and should not) replace the lithium battery, replace the entire smoke alarm according to the manufacturer’s instructions.

Smoke alarm that is hardwired into your home’s electrical system
• Test the alarm monthly.
• Replace the backup battery at least once every year.
• Replace the entire smoke alarm every 10 years.

Want to test your smoke alarm but it is just out of reach? Here is one safe way to do it:



 

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