don't do it! DIY electrics were effectively made illegal in 2005 and for good reason, 500 deaths in one year, 28000 fire caused by defective electrics in the home, go to NICEIC.COM
rogger, August 2009
There should be two sets, one for the supply and one for the load to the shower. If you get them the wrong way round the neon will be on all the time.
The terminals should be marked.