NFPA® 262 Standard Method of Test for Flame Travel and Smoke of Wires and Cables for Use in Air-Handling Spaces 2011 Edition

Chapter 1 Administration

1.1 Scope
1.2 Purpose
1.3 Application
1.4 Units
1.5 Summary of Test Method

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 Test Apparatus

4.1 Fire Test Room
4.2 Fire Test Apparatus
4.3 Fire Test Chamber Airflow System
4.4 Ladder Cable Tray
4.5 Fire Test Chamber Temperature Measurement Instruments
4.6 Data Acquisition Equipment

Chapter 5 Test Specimens

5.1 Specimens

Chapter 6 Maintenance and Calibration of Test Equipment

6.1 Maintenance
6.2 Frequency of Calibration
6.3 Airflow
6.4 Smoke Measurement System Calibration Test
6.5 Fuel
6.6 Uncoated Fiber-Reinforced Cement Board Test

Chapter 7 Test Specimen Preparation

7.1 Specimen Conditioning
7.2 Determination of Specimen Diameter
7.3 Number of Cable Lengths
7.4 Cable Mounting

Chapter 8 Test Procedure

8.1 Procedure
8.2 Exhaust Duct Velocity Measurement Calculations

Chapter 9 Post-Test Cleanup and Inspection

9.1 Debris
9.2 Windows
9.3 Supports
9.4 Damaged Boards
9.5 Preparation for Next Test
9.6 Cleanliness of Smoke Measurement System

Chapter 10 Calculations

10.1 Optical Density of Smoke
10.2 Exhaust Duct Velocity Measurement Calculations

Chapter 11 Report

11.1 Data

Chapter 12 Precision and Bias

12.1 Applicability

Annex A Explanatory Material
Annex B Smoke and Heat Release Measurements
Annex C Smoke Measurement System and Chamber-Brick Configuration: Detail Drawings
Annex D Standard Reference Cable Test
Annex E Informational References
Index