DIN EN 60335-2-15:2009
Household and similar electrical appliances - Safety - Part 2-15: Particular requirements for appliances for heating liquids, (IEC 60335-2-15:2002 + A1:2005 + A2:2008); German version EN 60335-2-15:2002 + A1:2005 + Corrigendum:2005 + Corrigendum:2006 + A2