6. Insulators and insulating substrates
Their function is to insulate live conductors from masses which generally act as supports (e.g. metal frameworks). Their characteristics depend in particular on :
of the nominal mains voltage ;
station short-circuit current ;
the mechanical characteristics required;
the severity of site pollution.
Note :
they comply with standards IEC 60071, NF EN 60071, NF EN 60507 and IEC 60815.
Note :
Their mechanical characteristics are described in standard NF EN 60305. Readers are...
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Insulators and insulating substrates