Many power cords consist of 2 parts, so for example if you have a Thinkpad
and it looks like this:
http://www.bhphotovideo.com/images/images2500x2500/lenovo_0b46994_tp_90w_ac…
Then you use the part with the little box as you always would and just need
that other part from there to the wall socket,
and no additional adapter.
Daniel Zahn <dzahn(a)wikimedia.org>
Operations Engineer