This standard is applicable to electrical items of the safety system that are used in nuclear power generating stations including components or equipment of any interface whose failure could adversely affect the performance of the safety system. It is also applicable to non-electrical interfaces associated with a safety function.
SIS SS IEC 780:1988 history
1988SIS SS IEC 780:1988 Nuclear instrumentation — Qualification of electrical items of the safety system for nuclear power generating stations