NFPA 262: Standard Method of Test for Flame Travel and Smoke of Wires and Cables for Use in Air-Hand

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2015 NFPA 262
Prior Years Prior Editions of NFPA 262

Work with the latest criteria in NFPA 262 for accurate assessments of smoke and fire spread.

NFPA 262: Standard Method of Test for Flame Travel and Smoke of Wires and Cables for Use in Air-Handling Spaces presents a test procedure to evaluate the potential for fire spread along cables and wires housed in a plenum or other environmental space.

Vital for testing labs, the test method measures and records both flame travel distance and optical density of smoke for:

  • Electrical wires and cables that are insulated, jacketed, or both
  • Optical fiber cables for installation in plenums and other spaces used to transport environmental air without being enclosed in raceways

The 2015 edition is up-to-date with all referenced codes and standards.

Apply the 2015 NFPA 262 to improve fire safety. Annexes include a wealth of helpful information on topics such as smoke and heat release measurements and standard reference cable test. (Softbound, 30 pp., 2015)

NFPA® 262 Standard Method of Test for Flame Travel and Smoke of Wires and Cables for Use in Air-Handling Spaces 2015 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. (Reserved)
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