1.
Thomas Alva Edison, arguably, the inventor of the
incandescent light
bulb (see also
Joseph Swan), as well as many other electrical innovations.
2. Referring to the
NEMA 5-15,
parallel blade, u-
ground,
plug or
connector. (Even though it was invented by Harvey
Hubbell. At least Harvey gets credit for the
Twist-Lock.)
http://www.backroom.co.uk/images/US-plug-socket.jpg
3. A shortened form of "Edison medium
screwbase" when describing a lamp's
base, or
socket type. "E26" would likely be a better, more specific, term.
http://www.donsbulbs.com/cgi-bin/r/b...-db-e26-1.html