NFPA 17:2021

Chapter 1 Administration 1.1 Scope. 1.2 Purpose. 1.3 Retroactivity. 1.4 Equivalency. 1.5 Units and Formulas. 1.6 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. 3.4 Systems Definitions. Chapter 4 Components 4.1 General. 4.2 Detectors. 4.3 Hose Line. 4.4 Nozzles. 4.5 Operating Devices. 4.6 Pipe and Fittings. 4.7 Dry Chemical. 4.8 Expellant Gas. 4.9 Electrical Wiring and Equipment. 4.10 Storage Containers. 4.11 Indicators. 5.1 Use and Limitations. 5.2 Multiple Systems Protecting a Common Hazard. 5.3 Systems Protecting Two or More Hazards. 5.4 Dry Chemical Requirements and Distribution. 5.5 Special Considerations. 5.6 Personnel Safety. 5.7 Operation and Control of Systems. 5.8 Dry Chemical and Expellant Gas Supply. 5.9 Piping. Chapter 6 Total Flooding Systems 6.1 General. 6.2 Hazard Specifications. Chapter 7 Local Application Systems 7.1 Uses. 7.2 Hazard Specifications. Chapter 8 Hand Hose Line Systems 8.1 Separate Supplies. 8.2 Location, Spacing, and Actuation. 8.3 Dry Chemical Requirements. 8.4 Training. Chapter 9 Pre-Engineered Systems 9.1 Uses. 9.2 Types of Systems. 9.3 Commercial Kitchen Hood, Duct, and Cooking Appliance Systems. 9.4 Manual Actuation Requirements. 9.5 System Annunciation Requirements. 9.6 System Supervision. 9.7 Review and Certification. 9.8 Vehicle Fueling Service Station Systems. Chapter 10 Plans and Acceptance Tests 10.1 Specifications. 10.2 Plans. 10.3 Approval of Plans. 10.4 Approval of Installations. 10.5 Manual. Chapter 11 Inspection, Maintenance, and Recharging 11.1 General Requirements. 11.2 Owner’s Inspection. 11.3 Maintenance. 11.4 Recharging. 11.5 Hydrostatic Testing. Annex A Explanatory Material Annex B Informational References

This standard includes minimum requirements for dry chemical fire-extinguishing systems that discharge dry chemical from fixed nozzles or hand hose lines by means of expellant gas.