To limit the probability that smoke alarms will not meet proper standards, which could lead to such devices not performing in the way intended in a fire situation, which could lead to persons not being properly notified of the fire, which could lead to delays in evacuation or moving to a safe place, which could lead to harm to persons.
To limit the probability that a fire will not be detected in dwelling units, suites in a care occupancy or sleeping rooms, which could lead to persons in such rooms not being promptly notified of the fire, which could lead to delays in evacuation or moving to a safe place, which could lead to harm to persons.