IEC 60332 Flame Spread Tests: Categories A, B and C Compared

IEC 60332 Flame Spread Tests: Categories A, B and C Compared Quick Answer: IEC 60332 measures how far flame travels along cable before self-extinguishing — Part 1 a single cable, Part 3 bundles graded A to D — chosen by installed cable density, not preference. Every cable datasheet carries a flame-spread claim, and most of […]