>The most difficult part is the grounding of it – which metal kettles are in sore need of, lest they give you an electric shock. Appliances like these are gene

>The most difficult part is the grounding of it – which metal kettles are in sore need of, lest they give you an electric shock. Appliances like these are generally 2-prong and therefore not connected to safety ground. Rather they are supposed to be "double insulated" for protection.