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Which NFPA standard specifically addresses residential occupancies up to four stories in height?

  1. NFPA 12A

  2. NFPA 13R

  3. NFPA 15

  4. NFPA 17A

The correct answer is: NFPA 13R

The National Fire Protection Association (NFPA) standard that specifically addresses residential occupancies up to four stories in height is NFPA 13R. This standard provides guidelines for the design and installation of sprinkler systems in residential buildings, particularly those that are low-rise and have limited access—focusing on protecting lives and property while being cost-effective for smaller buildings. NFPA 13R details the requirements for the installation of automatic fire sprinklers, which can be tailored to the unique characteristics of residential occupancies, ensuring that the necessary safety measures are in place without imposing the stricter requirements of NFPA 13, which is more comprehensive and applicable to higher-risk spaces. In contrast, the other standards mentioned focus on other types of systems or different occupancy classifications, making NFPA 13R the relevant choice for residential buildings with a height limitation of four stories or fewer.