| Description: This
document gives the
recommended practices for designing and
installing the interfaces between an existing
Gas-Insulated Substations (GIS) equipment
and a 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 52kV.
They also include the interfaces between
Gas-Insulated Line (GIL) equipment and
Gas-Insulated Substations (GIS) equipment
rated above 52kV.
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