Never use connectors in a housing wiring circuit like you suggested because it will not be properly insulated. You must use a proper junction box which is BS approved.
George Clarke
March 2009
http://cache2.smarthome.com/images/84720tb.jpg
Terminal Block - comes in strips - cut off what you need
Peccavi
February 2009
I can answer this question...
How can I join two pieces of standard (internal) electrical cable?