Definition
Smoke detectors are your first warning system for fire. They're simple but critical—hardwired detectors with battery backup work best. Dead detectors give false security, so test them monthly and replace batteries annually. Your family's escape time depends on early detection.
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Find my pathAbout this term
Smoke detectors are essential fire safety devices. Ionization detectors detect flaming fires quickly; photoelectric detectors detect smoldering fires. Hardwired detectors are more reliable than battery-operated. Detectors require regular testing and battery replacement. Dead detectors provide false security.
Pro Tip
Test your smoke detectors monthly and replace batteries every year. Interconnected hardwired detectors with battery backup are your best protection.
Example
Home equipped with hardwired interconnected smoke detectors with battery backup.