Traffic signal controllers. Functional safety requirements1 Scope This European Standard specifies the functional safety requirements for traffic signal controllers. It is applicable to traffic signal control equipment permanently and temporarily installed, and portable traffic control equipment, with the exception of portable traffic signal equipment only capable of controlling alternate shuttle working lanes (as further defined in 3. 37), without the control of crossing vehicular or pedestrian movements.

and appropriate assessment methods for the determination of the suitability of floorings made with at least a top layer of lignified materials other than wood

Impurities are all the compounds not attributed to the groups of higher alcohols or methanol

BS IEC 60605 is an international standard that discusses equipment reliability testing

BS EN 16322 outlines the principles

The guidelines in BS EN 60512-2-1 help you assess the contact resistance of connectors for electronic equipment that enable you to provide a superior quality product to your customers

The contribution to fire resistance which a suspended ceiling might provide as a protective membrane to loadbearing elements is determined using the procedure given in EN 13381-1

With obedience and compliance to BS EN 60843-3

they supplement the length measurement tests and the individual probing error tests of each probing system

IEC 60068-2-2:1974

Why should you use BS EN 12607-2 - TFOT method for bituminous binders

The guidelines in BS EN 4332 contribute towards including high-quality components for aerospace that are responsible for the smooth and safe functioning of vessels

The guidelines are not structured to be used in isolation as a part of any regulatory contractual or managerial requirement