NFPA 850:2026

Chapter 1 Administration 1.1 Scope. 1.2 Purpose. 1.3 Application.
1.4 Retroactivity. 1.5 Equivalency. 1.6 Units and Formulas. 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 Fire Protection Design Basis Document (FPDBD) 4.1 General. 4.2 Team Members.
4.3 Process Inputs. 4.4 FPDBD Process. Chapter 5 Fire Risk Control Program 5.1 General. 5.2 Management Policy and Direction. 5.3 Fire Prevention Program. 5.4 Fire Protection Program. Chapter 6 General Plant Design 6.1 Plant Arrangement. 6.2 Life Safety. 6.3 Building Construction Materials. 6.4 Smoke and Heat Venting, Heating, Ventilating, and Air Conditioning. 6.5 Containment and Drainage. 6.6 Emergency Lighting. 6.7 Lightning Protection. Chapter 7 Fire Protection Systems and Equipment 7.1 General. 7.2 Water Source. 7.3 Supply Mains, Hydrants, and Hose Nozzles and Building Standpipes. 7.4 Fire Suppression Systems and Equipment.
7.5 Fire Alarm Systems. Chapter 8 Fire Protection for the Construction Site 8.1 General. 8.2 Administration. 8.3 Site Clearing, Excavation, Tunneling, and Construction Equipment. 8.4 Construction Warehouses, Shops, and Offices. 8.5 Construction Site Lay-Down Areas. 8.6 Temporary Construction Materials. 8.7 Underground Mains, Hydrants, and Water Supplies. 8.8 Manual Firefighting Equipment. Chapter 9 Fuels, Common Equipment, and Protection 9.1 General. 9.2 Flammable Gases. 9.3 Combustible Liquids. 9.4 Flammable Liquids. 9.5 Solid Fuels. 9.6 Hydraulic Control System. 9.7 Indoor Electrical Equipment and Cable Areas.
9.8 Storage Rooms, Offices, and Shops. 9.9 Oil Storage Areas. 9.10 Warehouses. 9.11 Fire Pumps. 9.12 Cooling Towers. 9.13 Auxiliary Boilers. 9.14 Vehicle Repair Facilities. 9.15 Air Compressors.
Chapter 10 Turbines, Generators, and Internal Combustion Engines
10.1 General. 10.2 Design and Equipment Arrangement. 10.3 Combined Cycle Units. Chapter 11 Alternative Fuels 11.1 General.
11.2 Design and Equipment Arrangement. 11.3 Risk Considerations for Municipal Solid Waste (MSW). 11.4 Risk Considerations for Refuse Derived Fuel (RDF). 11.5 Risk Considerations for Biomass Fuels. 11.6 Risk Considerations for Tire-Derived Fuels. 11.7 Other Alternative Fuels and Processes. Chapter 12 Power Boilers 12.1 General. 12.2 Design and Equipment Arrangement. Chapter 13 Wind Turbines 13.1 General. 13.2 Design and Equipment Arrangement. 13.3 Hazard Consideration. 13.4 Hazard Protection.
Chapter 14 Solar Generation 14.1 General. 14.2 Design and Equipment Arrangement. 14.3 Hazard Protection. Chapter 15 Geothermal Generation 15.1 General. 15.2 Design and Equipment Arrangement. 15.3 Risk Considerations. 15.4 Hazard Protection.
Chapter 16 Integrated Gasification Combined-Cycle (IGCC) Facilities 16.1 General. 16.2 Design and Equipment Arrangement.
16.3 Syngas Within Buildings and Enclosures. 16.4 Hazard Protection. Chapter 17 Hydroelectric Generation 17.1 General. 17.2 Design and Equipment Arrangement. 17.3 Hazard Protection.
Chapter 18 High-Voltage Direct Current (HVDC) Converter Stations and Flexible AC Transmission System (FACTS) Devices 18.1 General. 18.2 Design and Equipment Arrangement. 18.3 Hazard Protection. Chapter 19 Flywheel Energy Systems 19.1 General.
19.2 Design and Equipment Arrangement.
19.3 Risk Consideration.
19.4 Hazard Protection.
Chapter 20 Compressed Gas Power Generation
20.1 General.
20.2 Design and Equipment Arrangement.
Chapter 21 Fusion Generation (Reserved).
Annex A Explanatory Material
Annex B Sample Fire Report
Annex C Fire Tests
Annex D Loss Experience

This standard provides fire prevention and fire protection requirements for electric generating plants and high voltage direct current (HVDC) converter stations.