NFPA 13D is a standard which covers the design, installation, and maintenance of automatic sprinkler systems for protection against fire hazards in one and two family dwellings and manufactured homes.
This manual contains so much information that will be soooo useful even after you take the exam you could still use it when working.Robert
Contractor Campus is the best, the tabs they offer were such a huge help when I was taking my exam !
Jess Marie