# - Lamp 3 bulbs, ceiling 4 cables - wiring diagram

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• Level 8
Welcome,

I would like to connect the lamp, but my knowledge of electrical issues is negligible, so I am asking you for help.

Going to the point: the lamp has 3 bulbs (I enclose a picture of the cube), and four cables come out from the ceiling (I attach a picture) - black, brown, gray, yellow-green.

I was looking for information about the connection and I already know that if everything is properly connected in the installation, the black and brown cables should be phase, yellow-green protective, and neutral gray (should probably be blue, but apparently there are also gray).

The switch has two buttons and if it is possible to connect so that one bulb is on one and the other two on the other, that's how I would like to connect. I do not know if the lamp is adapted for this (I have serious doubts about it).

After searching the internet, I am coming up with the idea that the yellow-green cable should be connected to the central "input" in the cube, because it is "connected" to the housing. So brown and black probably to the other two. But what about gray? Can you connect it together with the yellow-green? I will be grateful for your help.

Best wishes!
• Level 39
On the lamp strip you can see that each socket is led out.
For the independent switching a longer slat or an additional one (basically one additional clamp) is needed.
• Moderator - Electricity
Here did you look?
Level 39
canisone wrote:
if it is possible to connect so that one bulb is on one and the other two on the other, that's how I would like to connect.

You would have to separate from the terminal strip one of the bronze wires of the lamp and connect it with the black from the ceiling.

canisone wrote:

After searching the internet, I am coming up with the idea that the yellow-green cable should be connected to the central "input" in the cube, because it is "connected" to the housing

That's right.

canisone wrote:

Gray connect with a blue lamp.

Connect brown with brown lamps and insulate black.

A colleague will check the correctness of his record.
There would be a frame for guessing again.
Moderator Krzysztof Reszka
• Level 8
mawerix123 wrote:
Gray connect with a blue lamp.

Connect brown with brown lamps and insulate black.

A colleague will check the correctness of his record.
There would be a frame for guessing again.
Moderator Krzysztof Reszka

I plugged in as you wrote, unfortunately I did not have what to insulate the black wire at the moment, so to test the action I just bounced it as far as possible from all the metal elements, and the lamp shone. So it comes out that if I connect everything again the same and insulate a black cable, it should be ok. Thank you
• Moderator of Electrical Engineering
canisone wrote:
The switch has two buttons and if it is possible to connect so that one bulb is on one and the other two on the other, that's how I would like to connect.

Is this how it works now?
• Level 39
canisone wrote:
Unfortunately, I did not have what to insulate the black wire at the moment, so to test the action I just bounced it as far as possible from all the metal elements, and the lamp shone.

Additionally, for safety, you can disconnect one wire from the switch after determining which one corresponds with the black on the lamp.

Krzysztof Reszka wrote:
There would be a frame for guessing again.
Moderator Krzysztof Reszka

And again wrongly
• Moderator of Electrical Engineering
mawerix123 wrote:
and connect it with the black from the ceiling.

mawerix123 wrote:
and insulate the black one.

And whether gray is N or L, we can only guess. We can not always say that if the lamp is lit it means that it is well connected. I missed that.
• Level 39
Krzysztof Reszka wrote:
mawerix123 wrote:
and connect it with the black from the ceiling.

mawerix123 wrote:
and insulate the black one.