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7.8 Except for type Z attachment, terminals used for connection to the supply mains shall
: j, |" ?/ y9 M' x1 ybe indicated as follows:8 {# |& ~9 |' _6 A& T
– terminals intended exclusively for the neutral conductor shall be indicated by the letter N;+ N% V* ^% A* R) ?) D/ O) T; d4 z: O
– protective earthing terminals shall be indicated by symbol IEC 60417- 5019 (2006-08).: O2 S+ O; p# \5 H. C" h
These indications shall not be placed on screws, removable washers or other parts which can
) M5 W' ?* r4 V1 w" Cbe removed when conductors are being connected. |
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