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- Proceeding to development
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1.1 This Standard sets forth requirements for smoke detectors and accessories, including mechanical guards to be employed in ordinary indoor locations in accordance with the following:
a) In Canada:
1) Standard for the Installation of Fire Alarm Systems, CAN/ULC-S524;
2) National Building Code of Canada; and
3) National Fire Code of Canada.
b) In the United States:
1) National Fire Alarm and Signaling Code, NFPA 72.
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