by ericmark »
Sun Mar 05, 2017 4:48 pm
You can get lighting junction boxes designed to modify UK type wiring to EU type wiring. The "Ashley J501 16 Amp Downlighter Junction Box" is a good example.
In the UK we take power to ceiling rose which acts as a Junction Box as well as some thing to hang the lamp from. This has a few advantages, power for emergency lights and ceiling fans plus lower loop impedance.
However in the rest of the EU, they use the switch back box as a junction box, this may today work better with LED lamps and duel pole dimmers, but we are hardly going to rewire our houses to EU standards specially as the sockets used in the EU are not permitted in the UK under our rules.
So some green/yellow sleeving for earth wires, and both connected together, likely both browns also connected together and not connected to the lamp, and the lamp is connected to the two blue wires only.
Clearly without some testing this is a little guess work, but likely two earths together, two brown lines together and one of the blues will be neutral the other will be switched line.