This part deals with the safety of household and similar electric humidifiers with a rated voltage not exceeding 250V for single-phase appliances and 480V for other appliances.
GB 4706.48-2009 Referenced Document
GB 4706.1-2005 Household and similar electrical appliances-Safety Part 1:General requirements
GB 4706.48-2009 history
2009GB 4706.48-2009 Household and similar electrical appliances-Safety-Particular requirements for humidifers
2000GB 4706.48-2000 Safety of household and similar electrical appliances Particular requirements for humidifers