On 13/12/04 5:55 pm, "Reid Conti" <rconti at gmail.com> wrote (in part): > good point. My iBook has just 2 prongs on the cord AND on the flip > down ones. But the british plugs in the international kit I have, > have 3 prongs :) Polarity. To keep good people from doing bad things with electricity. It only fits one way and for exactly that reason. Cheers, Richard --