BS EN IEC 60332-3-25:2018 Tests on electric and optical fibre cables under fire conditions Test for vertical flame spread of vertically-mounted bunched wires or cables. Category D

Fire tests
Electric wires
Type testing
Vertical
Bundled conductors
Electric cables
Fibre optic cables
Surface spread of flame
Approval testing
Flame propagation

Link: BS EN IEC 60332-3-25:2018 Tests on electric and optical fibre cables under fire conditions Test for vertical flame spread of vertically-mounted bunched wires or cables. Category D
Source: BSI Standards