NFPA 72: National Fire Alarm and Signaling Code (2019 Edition) is a comprehensive standard published by the National Fire Protection Association that provides the latest requirements for the installation, performance, testing, and maintenance of fire alarm systems and emergency communication systems. The 2019 edition includes updated guidance on system design, notification appliances, survivability, cybersecurity, and inspection procedures, making it essential for engineers, designers, installers, and code officials involved in life safety and fire protection.