Tests on electric and optical fibre cables under fire conditions - Test for vertical flame spread of vertically-mounted bunched wires or cables. Category B shop-only and/or photochemical processes

and/or photochemical processes

Values determined are not always identical to those obtained using specimens of different dimensions or prepared using different procedures

The test method described in BS EN 13052-1 is applicable to products to be used under various conditions for the transport of water intended for human consumption and raw water used for the manufacture of water intended for human consumption

by any means of interchange (e

Tests on electric and optical fibre cables under fire conditions - Test for vertical flame spread of vertically-mounted bunched wires or cables. Category B shop-only and/or photochemical processes1 Scope The series of International standards covered by Parts 3 10, 3 21, 3 22, 3 23, 3 24 and 3 25 of IEC 60332 specifies methods of test for the assessment of vertical flame spread of vertically mounted bunched wires or cables, electrical or optical, under defined conditions. NOTE For the purpose of this standard, the term "electric wire or cable" covers all insulated metallic conductor cables used for the conveyance of energy or signals. The test