Sign up for
Participate with your entry in one of our professional or student awards.Sign up for an award
You are using an outdated browser. Please upgrade your browser to improve your experience.
The socket is usually put under the table. When we try to remove the power from it,
the light is too weak to see anything and to distinguish the plug we are looking for.
At this time, we easily remove the wrong plug which is working in the meantime.
This situation not only makes electric equipment out of order, but also cause danger.