The area outside of each bedroom should have a smoke detector.

• Smoke detectors are powered either by battery, household electrical wiring, or wiring with battery backup.
• Smoke detectors in dwelling units built after December 31, 1980, receive the primary power source from the household electrical wiring.
• Each sleeping area has at least one smoke detector.
• Sleeping areas that are separate should have at least one smoke detector per area.
• The smoke detector battery is operational and the smoke detector is clean.