NFPA 263 : 1994

Chapter 1 General
1.1 Scope
1.2 Significance
1.3 Summary of method
1.4 Definitions and terms
Chapter 2 Test apparatus
2.1 Test apparatus
2.2 Thermopile
2.3 Thermal inertia compensator
2.4 Smoke monitor
2.5 Radiation source
2.6 Air distribution system
2.7 Exhaust stack
2.8 Specimen holder
2.9 Calorimeter
2.10 Pilot burners
2.11 Pilot flame positions
Chapter 3 Calibration of equipment
3.1 Calibration
3.2 Smoke photometer
3.3 Flux uniformity
Chapter 4 Test specimens
4.1 Specimen preparation
4.2 Specimen conditioning
4.3 Specimen mounting
Chapter 5 Test procedure
Chapter 6 Calculations
6.1 Heat release rate
6.2 Smoke release rate
6.3 Cumulative heat and smoke release
Chapter 7 Report
Chapter 8 Referenced publications
Appendix A Explanatory material
Appendix B Precision and accuracy
Appendix C Release rate calibration
Appendix D Flux distribution
Appendix E Radiation reflector for horizontal specimens
Appendix F Commentary
Appendix G Referenced publications

Specifies a testing method for the determination of release rates of heat and visible smoke from materials and products when exposed to different levels of radiant heat.