Hi Leptiric below is the converter I am using I haven't had any problem my Singer works like a charm I know of another lady that uses the same converter, you don't need to have a double outlet mine has a double exactly as the link shows. Good luck let me know how you go.
have a good day
http://www.ebay.com.au/itm/240v-110v...ht_3156wt_1141
Last edited by capucine; 10-05-2012 at 12:36 PM.