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I want to install a lamp with 4 cable, namly two brown, one blue and a yellow-green cable:

enter image description here

Out of my wall I found 4 cable (yellow-green, blue, brown and black):

enter image description here

I tried to connected the lamp as follows (Left side the lamp, right side my wall):

  • blue-blue
  • brown-brown
  • brown-black

And

  • blue-blue
  • brown-black
  • brown-brown

I didn't connect the yellow-green cable because I just wanted to check if the lamp works. However with both combinations, the light didn't go on. Did I do something wrong?

  • Try with a multimetre (measure black-brown, black-blue and brown-blue) voltages. Blue should be the neutral "common", black and brown should be the live with one 'permanent live' and the other switched. PS: where are you? You have multiple switch controlling part of your fixture (es: one switch commanding a bulb and another controlling the other)? – DDS Jun 2 '18 at 12:48
  • Also, if possible post a pic of your your fixture with nuts 'far enough' to see the connections on each one – DDS Jun 2 '18 at 12:54
  • The single wires are called wires. When a bunch of wires are together in a common jacket, that's a cable. There are no cables in your picture; those short clear things are more like sleeves. – Harper Jun 2 '18 at 16:19

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