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- Proceeding to development
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CAN/ULC-S540 provides the minimum requirements for the design, installation, inspection, testing and maintenance of residential fire warning systems for use within dwelling units and care occupancies not requiring fire alarm systems conforming to CAN/ULC-S524, Installation of Fire Alarm Systems. This Standard is intended to apply to both required and voluntary residential fire warning system installations. It specifies how such residential fire warning systems shall be installed to perform their intended functions. It differs from the requirements of CAN/ULC-S552, Standard for the Maintenance and Testing of Smoke Alarms and CAN/ULC-S553, Standard for the Installation of Smoke Alarms, in that it is not intended to apply to the installation, maintenance and testing of single station or multiple station smoke alarms.
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