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Understanding Old Home Electrical Installation: Identifying L, N, PE Wires in Apartment

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  • #1 16583787
    Sekre
    Level 9  
    Posts: 5
    Hello, there is an old electrical installation in my old but my new apartment, I would like to ask you how to distinguish where L, N, PE does not want to bury anything there, but I would like to find out how to distinguish these cables, see the photo below.

    Understanding Old Home Electrical Installation: Identifying L, N, PE Wires in Apartment
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  • #2 16583819
    Zbych034
    Level 39  
    Posts: 4636
    Help: 543
    Rate: 1399
    L at the bottom N on the side rails PN none. But you have to check with a meter because various wonders can be found in such an installation.
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  • #3 16583824
    rafcio_21
    Level 29  
    Posts: 1110
    Help: 137
    Rate: 292
    I would also suggest checking with a meter, theoretically it should be as colleague Zbych034 wrote, but the meter will tell you the truth.
  • #4 16583830
    Sekre
    Level 9  
    Posts: 5
    So N in theory is white in this situation? I understand well?
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  • #5 16583853
    zbich70
    Level 43  
    Posts: 17116
    Help: 1164
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    Sekre wrote:
    I don't want to bury anything there

    So you are asking out of curiosity?
  • #6 16583886
    Sekre
    Level 9  
    Posts: 5
    I am thinking about replacing and I am interested in electrics, but I do not want to connect something the other way around. The bottom of the fuse is easy to understand, but this top is a bit scary.
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  • #7 16583911
    zbich70
    Level 43  
    Posts: 17116
    Help: 1164
    Rate: 6568
    After all, you are not going to rummage there, or do you want to replace it yourself?
  • #8 16583918
    Sekre
    Level 9  
    Posts: 5
    As of now, I just wanted to know if you can "cut" something.
  • #9 16583939
    zbich70
    Level 43  
    Posts: 17116
    Help: 1164
    Rate: 6568
    Sekre wrote:
    At this point, I just wanted to find out if something could be robbed

    First correct the spelling, because it is not known whether "rob" means "to" or "to scrape".

    You can do it, but it's an electrician's job.
  • #10 16583972
    Sekre
    Level 9  
    Posts: 5
    If I wanted to write "do", I would write it like that, I meant to cut it down, to break it.
  • #11 16584025
    zbich70
    Level 43  
    Posts: 17116
    Help: 1164
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    Sekre wrote:
    I meant to break down

    Yes you can.
    In the performance of a layman it is even very likely.
  • #12 16584033
    karolark
    Level 42  
    Posts: 14260
    Help: 701
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    Zbych034 wrote:
    L at the bottom N on the side rails PN none


    Are you sure N is there?
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Topic summary

✨ The discussion revolves around identifying electrical wires in an old apartment installation, specifically distinguishing between Live (L), Neutral (N), and Protective Earth (PE) wires. Participants emphasize the importance of using a multimeter to verify wire functions, as color coding may not be reliable in older installations. The user expresses a desire to understand the wiring before potentially replacing it, while others caution against DIY electrical work without proper knowledge. The conversation highlights the need for careful handling of electrical components and the risks involved in amateur repairs.
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