Zanussi ZWF 1240 W - Manual (Page 29)

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Permanent connection
In the case of permanent connection it is necessary that
you install a double pole switch between the appliance
and the electricity supply (mains), with a minimum gap
of 3mm between the switch contacts and of a type
suitable for the required load in compliance with the
current electrical regulations.
The switch must not break the yellow and green earth
cable at any point.