OpenLegislation

Division 2.11.1

United Kingdom

Original text. Later amendments are not shown.

Safety accessories shall:

  • be so designed and constructed as to be reliable and suitable for their intended duty and take into account the maintenance and testing requirements of the devices, where applicable,

  • be independent of other functions, unless their safety function cannot be affected by such other functions,

  • comply with appropriate design principles in order to obtain suitable and reliable protection. These principles include, in particular, fail-safe modes, redundancy, diversity and self-diagnosis.