On Aug 31, 10:29*pm, "Martin H. Eastburn"
wrote:

Extension cords have both plugs on one end and sockets on the other.

And according to what I've gleaned from this conversation, both ends
are properly called "Plug." I've been in this business well over
thirty years, and in my experience, a male is a plug and an a female
is a jack, but I suppose I'm not too old to change.

Now, what do we think about people who "Shut on the light?"