NFPA 72 Handbook
According to NFPA – NFPA 72 provides the latest safety provisions to meet society's changing fire detection, signaling, and emergency communications demands. In addition to the core focus on fire alarm systems, the Code includes requirements for mass notification systems used for weather emergencies; terrorist events; biological, chemical, and nuclear emergencies; and other threats.
This NFPA Handbook takes a deeper dive into the technical requirements of the codes and standards; with the addition of helpful aids to give a better understanding of the reasoning behind the requirements and how to apply them.