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No Electricity in Part of Single-Family House: Outlets, Lighting, Induction, 3-Phase Issue?

Janusz_85 35748 13
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  • #1 16917686
    Janusz_85
    Level 8  
    Posts: 11
    Rate: 2
    Hello. Unfortunately, I cannot find the relevant section. Moderator please move to the appropriate section. A new single-family house, only used for 6 months. Turned on TV and Christmas tree. Suddenly everything goes out. SES worked on the board, also in the main box in front of the house. After turning everything on, in some rooms there is electricity in the sockets but there is no light, e.g. the kitchen - the fridge works, the sockets also, the induction does not work, the lighting does not work either. The dressing room is light but there is no electricity in the sockets. Is it possible that there is no single phase??
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  • #2 16917731
    retrofood
    VIP Meritorious for electroda.pl  
    Posts: 31317
    Help: 1140
    Rate: 4781
    The fairies are on vacation, and anything is possible. Look for an electrician, not the one who performed the installation, and let him check the whole thing, because the symptoms are disturbing.
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  • #3 16917783
    mawerix123
    Level 39  
    Posts: 4143
    Help: 482
    Rate: 949
    Janusz_85 wrote:
    Is it possible that there is no single phase ??


    There are many indications of this.
  • #4 16917818
    osiniak75
    Level 35  
    Posts: 2075
    Help: 350
    Rate: 542
    Janusz_85 wrote:
    Is it possible that there is no single phase ??
    It is very possible that the connection on one of the supply phases was damaged during the short circuit, but such a defect can only be found by a qualified electrician with valid medical examinations and a qualification certificate E

    Moderated By retrofood:

    Are you conscious

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  • #5 16917829
    elpapiotr
    Electrician specialist  
    Posts: 12199
    Help: 1013
    Rate: 3508
    osiniak75 wrote:
    Janusz_85 wrote:
    Is it possible that there is no single phase ??
    It is very possible that the connection on one of the supply phases was damaged during the short circuit, but such a defect can only be found by a qualified electrician with valid medical examinations and a qualification certificate E

    Damn it. I do not have current medical examinations (i.e. certificates).
    Of course, I have a qualification certificate.
    And I can indicate a certified electrician immediately. Something's writing on the forum.
  • #6 16917845
    Janusz_85
    Level 8  
    Posts: 11
    Rate: 2
    retrofood wrote:
    The fairies are on vacation, and anything is possible. Look for an electrician, not the one who performed the installation, and let him check the whole thing, because the symptoms are disturbing.


    I guess the forum is there to ask. The electrician is very good, proven and does a lot of home and other investments. I just asked because I want to report it to the Energi operator.

    Added after 1 [minutes]:

    mawerix123 wrote:
    Janusz_85 wrote:
    Is it possible that there is no single phase ??


    There are many indications of this.

    Thanks.
  • #7 16917873
    emigrant
    Level 29  
    Posts: 1605
    Help: 107
    Rate: 324
    The author of the topic, a new house, and why is there no 3-f control lamp in the switchboard? This is probably not required by law, but it's worth having. Saving on something like that is overkill. This is enough information for the householder whether there are or not 3 phases. Aside from the fact that the lamp may burn out, etc.
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  • #8 16917878
    retrofood
    VIP Meritorious for electroda.pl  
    Posts: 31317
    Help: 1140
    Rate: 4781
    Janusz_85 wrote:

    I guess the forum is there to ask. The electrician is very good, proven and does a lot of home and other investments. I just asked because I want to report it to the Energi operator.

    You can ask, but what you have presented does not give rise to a credible answer. And if the electrician is so good, why don't you ask him? And you don't have to report anything. Energi is not interested in your installation.
  • #9 16917949
    djlukas
    Level 27  
    Posts: 1606
    Help: 94
    Rate: 266
    I would like to have clients like here, as some where, in the event of serious failures, instead of calling the electrician who performs the installation, they are looking for advice on the forum. They call me with just any crap.
  • #10 16917970
    Janusz_85
    Level 8  
    Posts: 11
    Rate: 2
    retrofood wrote:
    Janusz_85 wrote:

    I guess the forum is there to ask. The electrician is very good, proven and does a lot of home and other investments. I just asked because I want to report it to the Energi operator.

    You can ask, but what you have presented does not give rise to a credible answer. And if the electrician is so good, why don't you ask him? And you don't have to report anything. Energi is not interested in your installation.

    The electrician does not answer at this hour. They came from Energi. A fuse blasted on the transformer.
  • #11 16918063
    pol102
    VIP Meritorious for electroda.pl  
    Posts: 3085
    Help: 163
    Rate: 368
    Janusz_85 wrote:
    They came from Energi. A fuse blasted on the transformer.

    I do not know what short circuit you did but throw the insert into the trafo ... I do not believe.
  • #12 16918098
    CYRUS2
    Level 43  
    Posts: 17639
    Help: 1221
    Rate: 3448
    Janusz_85 wrote:
    They came from Energi. A fuse blasted on the transformer.
    pol102 wrote:
    I do not know what short circuit you did but throw the insert into the trafo ... I do not believe.
    Lack of selectivity at the customer and the fuse in the right place?
    I don't believe either.
    Electricians from ZE did not tell the truth.

    However, there must have been a reason for the fuses being turned off by the author of the topic.
    Check the receivers if any has been damaged.
  • #13 16922506
    wodzu12240
    Level 13  
    Posts: 61
    Help: 5
    Rate: 27
    Sooner one of the tracks could not close again on the pre-meter protection and there was not one phase for that. They came turned off and turned on again and it worked. There is one more possibility, the author may have a power limiter and fuse links in the switch disconnector instead of a typical S-ki. As it is now in Tauron. Let the author write what protections on the building's power supply, because in my opinion it is not possible to activate the BM insert with a current of 63 or 80 A.
  • #14 20580269
    adrianmardaus
    Level 6  
    Posts: 14
    Rate: 2
    Hello
    I had that too. I short-circuited. After lifting the fuse in some of the circuits in the house, there was no electricity even though all of them were up. It was enough to lower and raise the main board in the fence (not at home) and everything was back to normal.
    Thank you for your help.
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Topic summary

✨ A user reported an electrical issue in a new single-family house, where certain outlets and lights stopped working after turning on appliances. An electrician had previously worked on the main board, but the problem persisted, with some rooms having power in sockets but no lighting. Responses suggested that a possible short circuit may have damaged a supply phase, and a qualified electrician should be consulted for a thorough inspection. Discussions also highlighted the importance of having a 3-phase control lamp in the switchboard for better monitoring. The user later mentioned that a fuse had blown on the transformer, which was addressed by the energy provider. Other users shared similar experiences and troubleshooting tips, emphasizing the need to check circuit protections and potential damage to electrical receivers.
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FAQ

TL;DR: Partial power at home often means one of the 3 phases is down—“This is enough information… whether there are or not 3 phases.” Add a 3‑phase indicator and call a qualified electrician. [Elektroda, emigrant, post #16917873]

Why it matters: This FAQ helps homeowners quickly decide if a missing phase or upstream fuse issue is to blame, and what to do next.

Quick Facts

My sockets work but lights and induction cooktop don’t—did I lose a phase?

Yes. Mixed symptoms across outlets, lighting, and an induction hob point to one supply phase being open. A short can damage a phase connection. Call a qualified electrician to test phase presence at the service head and panel. “It is very possible that the connection on one of the supply phases was damaged.” [Elektroda, osiniak75, post #16917818]

Should I call the utility or an electrician first?

Start with a licensed electrician who didn’t install your system. They can isolate whether the fault is inside your installation or upstream. Utilities usually don’t handle customer-side issues. If tests show a missing phase before the meter, your electrician can advise contacting the utility. [Elektroda, retrofood, post #16917878]

What are classic signs of a missing phase in a new house?

Appliances on one circuit work while lights or induction don’t. Some rooms have live sockets but no lighting, or the reverse. This inconsistent pattern is typical when one phase is absent. Document which rooms fail and when the outage began to aid diagnostics. [Elektroda, Janusz_85, post #16917686]

Could an upstream fuse cause partial power loss?

Yes. A blown or disconnected upstream fuse can drop a phase. In the thread, power returned after utility action near the transformer. Keep in mind, details may vary, and verification by measurement is best. Record times and symptoms for the field crew. [Elektroda, Janusz_85, post #16917970]

What is a 3‑phase control lamp and why add one?

It’s a simple indicator showing presence of L1, L2, and L3 in your panel. If a lamp goes dark, you instantly see a phase loss. Note the edge case: the lamp itself can burn out, giving a false negative. Replace failed lamps during maintenance. [Elektroda, emigrant, post #16917873]

How do I quickly check if all three phases are present?

Install a 3‑phase indicator in the switchboard and observe all three lamps. If any lamp is out, call an electrician to verify with a meter and trace the fault location. This gives immediate, homeowner‑level visibility before deeper tests. [Elektroda, emigrant, post #16917873]

What’s a practical, safe ‘try-this-first’ reset?

Some report success by lowering and raising the main switch in the fence‑mounted board (not the indoor panel). Do this only once, then recheck circuits. If symptoms persist, stop and call an electrician to avoid equipment damage. [Elektroda, adrianmardaus, post #20580269]

Could my short circuit have caused the upstream device to trip?

It’s debated. Users questioned whether a customer fault would operate a transformer‑side fuse. Lack of selectivity can complicate fault clearing. Regardless, after any major trip, inspect sensitive loads for damage before reuse. [Elektroda, CYRUS2, post #16918098]

What protections might be ahead of my meter?

Depending on the operator, you may have a power limiter and fuse links in a switch disconnector instead of standard breakers. These can be 63–80 A devices and require utility access to service or replace. [Elektroda, wodzu12240, post #16922506]

What is a BM insert?

A BM insert is a type of high‑current fuse link used in utility or pre‑meter protection. If it operates, only the utility or authorized personnel should replace it. Your electrician can confirm if this device protects your supply. [Elektroda, wodzu12240, post #16922506]

Can a great installer still miss issues like this?

Yes. Even well‑built systems can see upstream faults or component failures. Forums encourage contacting an independent electrician to check the entire installation when symptoms are atypical or worrying. Prioritize safety and testing. [Elektroda, retrofood, post #16917731]

How do I document symptoms for faster troubleshooting?

List which rooms lost lighting, which sockets remained live, and which appliances failed. Note the time, loads running, and any breaker or RCD status. This mirrors the original report and helps pinpoint the failed phase. [Elektroda, Janusz_85, post #16917686]

Is installing a 3‑phase indicator mandatory?

No. It isn’t typically required, but it’s inexpensive and valuable. “This is enough information for the householder whether there are or not 3 phases.” Consider it preventive visibility for future faults. [Elektroda, emigrant, post #16917873]

What’s the best immediate action when symptoms appear?

Turn off sensitive loads, avoid repeated resets, and call a qualified electrician. As one expert put it, seek an independent electrician and check the whole system because such symptoms are disturbing. [Elektroda, retrofood, post #16917731]

3‑step: How do I safely attempt a one‑time reset at the boundary panel?

  1. Switch OFF the main in the fence/yard enclosure.
  2. Wait 30 seconds; inspect for odors or arcing sounds.
  3. Switch ON once; recheck circuits. Stop if issues persist and call an electrician. [Elektroda, adrianmardaus, post #20580269]
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