DIN EN 60335-2-2:2007
Household and similar electrical appliances - Safety - Part 2-2: Particular requirements for vacuum cleaners and water-suction cleaning appliances (IEC 60335-2-2:2002, modified + A1:2004 + A2:2006, modified); German version EN 60335-2-2:2003 + A1:2004 + A