This part of IEC 60794 is a detail specification. It gives detailed requirements for cables to be used in cords which are intended for use in a category C environment, according to IEC 61753‑1. They are characterized with temperature range between –10 °C and +60 °C.

The fibre requirements for this specification are defined in IEC 60793‑2‑10 for multimode fibres and IEC 60793‑2‑50 for single-mode fibres.

Some deviation to family specification IEC 60794‑2‑50 requirements is allowed in certain clauses of this specification.