Optical fibres - Product specifications. Sectional specification for class B single-mode fibres Ingestion-build-53008 6 Penetration of fire walls

6 Penetration of fire walls and floors

BS EN 14399-2:2005

BS EN 16258 is an international standard that focuses on methodology for calculation and declaration of energy consumption and GHG emissions of transport services (freight and passengers)

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Optical fibres - Product specifications. Sectional specification for class B single-mode fibres Ingestion-build-53008 6 Penetration of fire wallsWhat is this standard about? This part of IEC 60793 is applicable to optical fibre categories B 652, B 653, B 654, B 655, B 656 and B 657. A map illustrating the connection of IEC designations to ITU T designations is shown in this document. These fibres are used or can be incorporated in information transmission equipment and optical fibre cables.