Multi-element metallic cables used in analogue and digital communication and control - Sectional specification for screened cables characterized up to 250 MHz. Horizontal and building backbone cables1 Scope EN 5028851 is a sectional specification for screened cables, characterised from 1 MHz up to 250 MHz, to be used in horizontal and building backbone wiring as defined in EN 50173. This sectional specification contains the electrical, mechanical, transmission and environmental performance characteristics of the cables, when tested in accordance with the referenced test methods. This sectional specification is to be read in conjunction with EN

The types of isolating valves to be considered are: plug and ball valves

2) kV up to 19/33 (36) kV

and mating parts used on commercial vehicles and buses

BS 6180:2011 on barriers in and about buildings is a full revision of the 1999 edition and introduces the following changes:

Refractory materials are used in furnaces

Aerospace and shipbuilding industry

and the means of connection necessary for their use in the development and manufacture of products

BS 8613 is not applicable to devices fitted to sliding and revolving doors

The quality of a fire model for wall and ceiling linings is assessed by comparison with test results from a full-scale small room test for surface products and by sensitivity analysis on the model itself

This part of ISO 15186 can be used by laboratories that could not satisfy the requirements of ISO 15186‑1

ISO Guide 30 Revision of definitions for reference material and certified reference material

Emergency planning committee