NFPA 17A:2024

Chapter 1 Administration 1.1 Scope. 1.2 Purpose. 1.3 Application. 5.1 General. 5.2 System Actuation. 1.6 Units and Formulas. 1.7 Qualifications. Chapter 2 Referenced Publications 2.1 General. 2.2 NFPA Publications. 2.3 Other Publications. 2.4 References for Extracts in Mandatory Sections. Chapter 3 Definitions 3.1 General. 3.2 NFPA Official Definitions. 3.3 General Definitions. Chapter 4 Components 4.1 General. 4.2 Detectors. 4.3 Discharge Nozzles. 4.4 Operating Devices. 4.5 Pipe and Fittings, Tubing, and Hose. 4.6 Wet Chemical. 4.7 Electrical Wiring and Equipment. 4.8 Indicators. 4.9 Assembly. Chapter 5 Systems for the Protection of Commercial Cooking Operations 5.1 General. 5.2 System Actuation. 5.3 Supervision. 5.4 System Location. 5.5 Discharge Nozzles. 6.1 General. 6.2 Components. 6.3 System Requirements. Chapter 7 Plans and Acceptance Tests 7.1 Specifications. 7.2 Review and Certification. 7.3 Plans. 7.4 Approval of Installations. Chapter 8 Inspection, Maintenance, and Recharging 8.1 Responsibility. 8.2 Owner’s Inspection. 8.3 Maintenance. 8.4 Recharging. 8.5 Hydrostatic Testing. 8.6 Service Collar. Annex A Explanatory Material Annex B Systems for Protection of Residential Stoves When Used in Other than Commercial Cooking Operations Annex C Common Deficiencies and Impairments Annex D Informational References

The provisions of this standard apply to the design, installation, operation, testing, and maintenance of preengineered wet chemical fire-extinguishing systems that discharge wet chemical from fixed nozzles and piping by means of expellant gas.