scope:

Specifies requirements, test methods, performance criteria, and manufacturer's instruction for self-contained smoke alarms that operate using scattered light, transmitted light, or ionization, intended for household or similar residential applications. For the testing of other types of smoke alarms, or smoke alarms working on different principles, this standard should only be used for guidance. Smoke alarms with special characteristics and developed for specific risks are not covered by this standard. This standard allows, although it does not require, the inclusion wthin the Smoke Alarm of facilities for 1) interconnection with other similar Smoke Alarm and/or accessories and 2) alarm silencing. Where such facilities are included, this standard specifies applicable requirements.