北美燃燒分類
單根燃燒:
水平燃燒: FT2/FH/ Horizontal Flame
-垂直燃燒: FT1 , VW-1/FV-2, FV-1, Burning particles (dropping)
成束燃燒(大規(guī)模燃燒):
Vertical tray flame tests:
Method 1 - Vertical tray ( UL1685 FLAME EXPOSURE,代表線型CM ),
Method2 - FT4 (代表線型CMG)
UL1666 - Flame Propagation Height of Electrical and Optical-Fiber
Cables Installed Vertically in Shafts (代表線型CMR)
NFPA 262 - FT6 Plenum (代表線型CMP)
載電流燃燒: FT5,針對Portable cables
低煙: ST1 Limited smoke (與FT4或CM燃燒同時進行)