Just made up a 10m cable using 2.5mm cable and these -
http://www.thecaravanshop.co.uk/electrical-products/mains-plugs-sockets/mains-coupler/prod_878.html
http://www.thecaravanshop.co.uk/ele...s-plugs-sockets/mains-site-plug/prod_879.html
The electrical connections and the screwed flex retention grips were a dawdle however pushing the cable through the end of the units was very tight. Stretched the holes with a pair of fine nosed pliers and they returned to original shape \ size after the cable was through making a good rainproof fitting.
If presented with a tight hole, lube up
- talc powder makes the job easier