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Description / Abstract:
This document gives the recommended practices for designing and
installing the interfaces between existing gas-insulated substation
(GIS) equipment and new GIS equipment that is added at a later date
and may be of different design and of different manufacturer. The
recommended practices apply for GIS rated above 52 kV. They also
include the interfaces between gas-insulated line (GIL) equipment
and GIS equipment rated above 52 kV.