One interpretation of the wiring: * Wires coming through the wall are mains voltage. * Exposed wire is ground, the other two are active and neutral. They conne

One interpretation of the wiring: * Wires coming through the wall are mains voltage. * Exposed wire is ground, the other two are active and neutral. They connect to two white wires. * These two active and neutral wires are connected to two white wires running into the transformer at the left of the photo (although you can't tell whether anything else is connected left of there). * A black double-insulated wire comes out of the transformer, and a brown and blue wire come out of the double insulation. * The brown and blue wires go into the first connector box, which connects via the black double wire to the second connector box. * Two white double wires come out of the second connector box, one going to each light. GTV seems like it was a transformer manufacturer - it had a US trademark on the name for manufacturing many things until 2008, including for "electric transformers for lighting lamps". One weird thing: the transformer purports to be a step-down transformer, but the black cable with blue and brown wires (standard colours for mains active and neutral) connects to the low voltage end, when it is probably supposed to connect to the mains end. It is almost as if the step-down transformer is being used as a step-up transformer. The transformer ratio is between 220V/11.6V and 240V/11.6V - so about 20. 240V*20 = 4800V. If it was configured to produce 4800V on an easily accessible light, perhaps he is trying to say that someone was trying to electrocute him. Update: I found this, which I think is a more recent model of a similar transformer, from the same manufacturer: http://gemini-technology.en.alibaba.com/productshowimg/303458927-210014618/12V_60W_Coffee_Color_Waterproof_LED_Driver.html http://gemini-technology.en.alibaba.com/productshowimg/30345... - this seems to confirm that the black double insulated wire is supposed to be the 240V input, not the low voltage output.