No, it's a wiring junction box that needs the use of an 'insertion tool' to
push the wires into a slot ... the same method as wiring up a UK phone
socket.
This is what I was trying to remember - the 2 part RJ45 halfway down the
page:
http://www.maplin.co.uk/Search.aspx?...source=15&SD=Y
Then you've got this typye of thing but read the comments further down the
page;
http://www.amazon.com/Cat5-RJ45-Keys.../dp/B000BSN7RO
Later, much later.
I've just found it. It's called a 'Krone Punchdown CAT5e Inline Coupler '
available from Autdirect, last but one item;
www.autdirect.co.uk/acatalog/Network_Cables.html
Not the most elegant solution but ok if you're desperate or have poor
eyesight.