Residential Fire Warning Systems
(1) Except where a fire alarm system is installed or required in a building, smoke detectorsforming part of a residential fire warning system installed in conformance with CAN/ULC-S540 “Residential Fire and Life Safety Warning Systems: Installation, Inspection, Testing and Maintenance”, are permitted to be installed in lieu of all smoke alarms required by Articles 9.10.19.1. and […]
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