This week we took a good look at NFPA 72 17.7.3.2 (2016 edition) Spot Type Smoke Detectors and their spacing requirements.
Негізгі бет Smoke Detector Spacing Requirements Part 1
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This week we took a good look at NFPA 72 17.7.3.2 (2016 edition) Spot Type Smoke Detectors and their spacing requirements.
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