Standard Method of Test for Flame Travel and Smoke of Wires and Cables for Use in Air-Handling Spaces
What is NFPA 262?
This standard improves fire safety in air-handling spaces by presenting a test procedure to evaluate the potential for smoke and fire spread along cables and wires housed in a plenum or other air transport spaces.
Official document scope
What does NFPA 262 address?
The test method measures and records both flame travel distance and optical density of smoke for insulated, jacketed, or both, electrical wires and cables and optical fiber cables that are to be installed in plenums and other spaces used to transport environmental air without being enclosed in raceways.