How To: Install A Smoke Alarm

What you will need

  • Smoke alarm
  • Ladder (if required)
  • Woodscrews
  • Screwdriver
  • Multi-purpose detector
  • Drill & drill bit (if required)


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  • 1 Most homes will require two or more smoke alarms to ensure that a reliable early warning is given. Your first smoke alarm should be located between the sleeping area and the most likely sources of fire (living room or kitchen for example). Avoid placing your smoke alarm near windows or doors where smoke might escape.
  • 2 Don’t place your smoke alarm in any of the following areas: Bathrooms, kitchens, shower rooms, where the smoke alarm may be triggered by steam, condensation, normal smoke or fumes.
  • 3 This Smoke Alarm here is battery operated and needs no wiring. It also has a light which can help you find an exit in the case of a fire. • Pull cover open. Remove cover from base by separating at the rear snap-in hinges • Place the base on ceiling or wall exactly where you want to mount the unit. Use a multi-purpose detector to ensure there are no hazards. With a pencil, mark the location of the screw holes • If you have located a std the secure with woodscrews, otherwise drill a hole through the marked locations. Push your rawl plugs into the drilled holes. Place the detector in position and screw in firmly. • Snap battery connectors to the battery and gently push the battery into the battery holder. • To close the cover match up snap-in hinges and gently press together until base and cover snap together. NOTE: You may hear a loud chirp when attaching the battery connectors to the battery. This is normal.
  • 4 Finally test the installed smoke alarm and remember to test your smoke alarm monthly. You should change the batteries twice a year, a good time to do this is when the clocks go forward and back.
  • 5 Make sure to hire a qualified electrician if you are installing a smoke alarm that will be connected to your house’s main electric system.