ɐ kˈɑːmən jˈuːs ʌvðə vˈoʊltɪdʒ kənvˈɜːɾɚɹ ɪz fɚɹə dɪvˈaɪs ðæt ɐlˈaʊz ɐplˈaɪənsᵻz mˌeɪd fɚðə mˈeɪnz vˈoʊltɪdʒ ʌv wˈʌn dʒˌɪəɡɹˈæfɪkəl ɹˈiːdʒən tʊ ˈɑːpɚɹˌeɪt ɪn ɐn ˈɛɹiə wɪð dˈɪfɹənt vˈoʊltɪdʒ.
A common use of the voltage converter is for a device that allows appliances made for the mains voltage of one geographical region to operate in an area with different voltage.