According to NIST, the wide adoption of home smoke alarms is one of the greatest success stories in the history of fire safety.
UL 217 provides a standard for smoke alarms, and an eighth edition came into effect on June 30, 2024, with specific tests for reducing nuisance alarms.
To pass the test, two standardized hamburger patties are broiled 10 feet away from a smoke alarm. The alarm passes the test if it doesn't go off.
Devices from the previous generation failed the test, highlighting the ongoing challenges with nuisance alarms in practical usage.
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