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Connection of the lamp (3 bulbs, 2 + 1), double light switch.

artturek 53019 16
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  • #1 16608309
    artturek
    Level 9  
    Hello, I have a problem with connecting the lamp in the room. I have placed an overview of the scheme in the annex.
    The problem looks as follows, I have a double switch, the light will turn on (3 bulbs) only when I turn on two buttons. Two three wires come out of the ceiling, black, blue and green. Black is insulated and not connected to anything. Blue and green, I bet that they are two phase cables from the switch. The cables are connected as in the attachment. Three blue from the lamp connected to blue from the ceiling (with a switch) and three brown from the lamp connected to the green from the ceiling (with a switch).

    Is it okay to embrace that the lamp is on 2 + 1? One button for two light bulbs, one button for one?

    Connection of the lamp (3 bulbs, 2 + 1), double light switch.
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  • #3 16608378
    artturek
    Level 9  
    zbich70 wrote:
    Take a look first here


    I have read this entire post and unfortunately there is no help for my problem, everywhere there is a 'blue' wire.
    In my case, the phase of the switch is fed to the blue and green wire, and only then all the bulbs shine.
  • #4 16608394
    Łukasz-O
    Admin of electroenergetics
    Because you have bad colors of wires led to the switch. The wires from the circuit breaker first enter the box somewhere near the ceiling and there the color changes, only later they "go" to the chandelier.
    At the ceiling, black is phased, blue is neutral, and yellow-green is PE.
    However, you have to check everything with the meter.
  • #5 16608452
    UmyslTechniczny
    Level 13  
    The problem is that you bet that these are phase wires, i.e. we are not sure, it should be checked.
    At the moment I doubt that someone would be able to help. First you need to determine what is what.
    This is just the perfect example of the fact that you can not connect a circuit with a rule, no matter what color, if only a copper vein and it works. :)
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  • #6 16608596
    artturek
    Level 9  
    It's just that at the switch we have three wires, brown (phase) and two - blue and green, which are definitely going to the lamp at the ceiling. How else to explain it, since the light will come on only when the two buttons are pressed?

    Has the right to work a bulb from which two wires come out, to which we give the phase?
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  • #7 16608636
    UmyslTechniczny
    Level 13  
    artturek wrote:

    Has the right to work a bulb from which two wires come out, to which we give the phase?

    On the bulb, we give the phase, i.e. in a normal installation, a dark color wire, e.g. black, gray, brown etc ... and a neutral-blue wire, ie zero, with which the current returns.
    Connection of the lamp (3 bulbs, 2 + 1), double light switch.
  • #8 16608637
    Łukasz-O
    Admin of electroenergetics
    artturek wrote:
    It's just that at the switch we have three wires, brown (phase) and two - blue and green, which are definitely going to the lamp at the ceiling. How else to explain it, since the light will come on only when the two buttons are pressed?

    Has the right to work a bulb from which two wires come out, to which we give the phase?

    Here is the situation for you as below in the picture:
    Connection of the lamp (3 bulbs, 2 + 1), double light switch.
  • #9 16608649
    artturek
    Level 9  
    @UmyslTechniczny, I understand the principle, but I can not come to what is at my place ....

    Łukasz-O wrote:
    artturek wrote:
    It's just that at the switch we have three wires, brown (phase) and two - blue and green, which are definitely going to the lamp at the ceiling. How else to explain it, since the light will come on only when the two buttons are pressed?

    Has the right to work a bulb from which two wires come out, to which we give the phase?

    Here is the situation for you as below in the picture:
    Connection of the lamp (3 bulbs, 2 + 1), double light switch.


    Well ok, the switch goes ok, the switch will tell you, but from the binding which way the current 'comes back'. As soon as the bulbs shine when you turn on the two buttons. If the blue one that comes out from the ceiling would be a cable where the current returns, then switching on one button would light up the bulbs.
  • #10 16608659
    UmyslTechniczny
    Level 13  
    Maybe yes ... Do not you have any contact to the contractor for this installation?
  • #11 16608670
    Łukasz-O
    Admin of electroenergetics
    Buddy, electricians talk on the basis of diagrams and measurements made, not narcotics.
    I drew a diagram as it looks like the installation looks most likely.
    If you do not understand this drawing, all I have to do is ask you for an electrician who will make a local vision and connect (or not) a lamp.
  • #12 16608676
    artturek
    Level 9  
    Łukasz-O wrote:
    Buddy, electricians talk on the basis of diagrams and measurements made, not narcotics.
    I drew a diagram as it looks like the installation looks most likely.
    If you do not understand this drawing, all I have to do is ask you for an electrician who will make a local vision and connect (or not) a lamp.


    These are not stories, I say how it is, since in the switch I have two cables that are connected to the phase outputs from the bulbs and one phase cable, then in the ceiling there must be these two cables from the switch. I have no idea who created this installation, I am recently in the apartment and this fact annoys me. Tomorrow I will take the meter in the paw and measure everything to be 100% sure.

    What if it comes out like I say? Can be split for switching 2 + 1 or just an electrician used such a switch because he had no other?
  • #13 16608684
    Łukasz-O
    Admin of electroenergetics
    Can you analyze the schematics?
    Take a voltage tester and check where the phase in the ceiling is when the breaker is turned on.
  • #14 16608716
    artturek
    Level 9  
    Łukasz-O wrote:
    Can you analyze the schematics?
    Take a voltage tester and check where the phase in the ceiling is when the breaker is turned on.


    I can, I sit more in DC electronics than in home networks.
    That's what I'll do it.
  • #15 16608727
    Łukasz-O
    Admin of electroenergetics
    Sure, such kits you can push your friend from the yard. Electronics are also diagrams and it's more complicated than checking the tensions and connecting a stupid chandelier.
    You could not analyze a simple schematic :|
  • #16 16608729
    artturek
    Level 9  
    Łukasz-O wrote:
    Electronics are also diagrams and it's more complicated than connecting a chandelier :|


    You know, sometimes it's easier to do the whole project from scratch according to the standards than to look for and improve after others, unfortunately I have no way to dismantle the old installation and place a new one :)
  • #17 16608733
    Łukasz-O
    Admin of electroenergetics
    artturek wrote:


    You know, sometimes it's easier to do the whole project from scratch according to the standards than to look for and improve after others, unfortunately I have no way to dismantle the old installation and place a new one :)

    Who orders you?
    An ordinary neon sign would be enough here.

Topic summary

The discussion revolves around the connection of a lamp with three bulbs (2 + 1 configuration) to a double light switch. The user describes a wiring issue where the lamp only illuminates when both switch buttons are activated. The ceiling has three wires: black (insulated), blue, and green, with the user suspecting that blue and green are phase wires. Responses emphasize the importance of verifying wire functions with a multimeter, as color coding may not be reliable. Suggestions include checking the phase and neutral connections, and the possibility of the installation being incorrectly wired. The need for professional assistance is also highlighted, given the complexity of the wiring.
Summary generated by the language model.
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