This standard specifies a method(including permanent connections)of verifyingThe suitability of materials used in optical connection elementsand fibre optic couplers with respect to non-propagation of a flame, whenexposed to a flame for a short period
EN 2591-6317:2001 history
2001EN 2591-6317:2001 Aerospace series - Elements of electrical and optical connection; Test methods - Part 6317: Optical elements; Flammability