This part of IEC 60794, which is a generic specification, covers optical fibre ribbons. Requirements which are described in this part apply to optical fibre ribbon cables for use with telecommunication equipment and devices employing similar techniques, in particular optical fibre cables in IEC 60794‑2 for indoor use and in IEC 60794‑3 for outdoor use. Detailed specifications for each application are given in IEC 60794‑2 and IEC 60794‑3.