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SEP Exam 1kV: Commission from Wrocław to Legnica, Question Types, Oral/Tests, & Retakes

kruk 262150 21
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How is the SEP up to 1 kV exam conducted, what oral questions are commonly asked, and what should I prepare for?

The SEP 1 kV exam is usually oral, and the exact questions depend on the scope of authorization you marked, so there is no single fixed test set [#1857549][#1874410] Common topics are electric shock protection and first aid, fire protection, safe voltages for AC and DC, grounding vs. zeroing, basic vs. additional protection, and how a residual-current device works and where it can be used [#1856684][#1857549][#1870632][#12880053] People also reported questions about network types, phase vs. phase-to-phase voltage, step voltage, transformer-ratio calculations, insulated-tool inspection intervals, quick shutdown in IT networks, and how to disconnect a cable/device correctly [#1870632][#2025240][#1857549] One person said the discussion with the examiner lasted about 40 minutes, so expect follow-up questions if your answers are weak [#1874410] The thread does not give a clear rule for retakes after a failure [#1856377][#2024428]
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  • #1 1856334
    kruk
    Level 11  
    Posts: 70
    Rate: 32
    :arrow: Hello.
    I am attending a sep course up to 1 kv (I was sent from the UP for this course) and soon I will have an external exam: a commission will come from Wrocław to my city (Legnica).
    and I'm very afraid of the exam because I don't know what to ask?
    and how many questions are they asked if they are tests or are they being answered orally?
    and if it fails if and when can the exam be repeated?

    I am asking for specific questions and preferably answers to them.
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  • #2 1856377
    ivorpl
    Level 21  
    Posts: 481
    Help: 32
    Rate: 44
    Hey, my colleagues at Wroclaw University of Science and Technology took it orally and the question was different: \

    "And what do you need these powers for?"
    "what do you need this for?"

    and, of course, theoretical about various goodies from the SEP course, I do not know the details, but most of them only passed some of the permissions they highlighted ...
  • #3 1856684
    mrrudzin
    Level 39  
    Posts: 5940
    Help: 516
    Rate: 580
    If you prepare - there will be no problem.
    Once on the forum I posted files with most of the information needed to pass an exam (it coincided with the topics discussed during the lectures before the exam and with the questions during the exam itself) - if you search - you will surely find it.
    Generally, protection against electric shock and first aid are frequently mangled topics. All in all, it cannot be said that in Wrocław they are asking for one thing, in Kraków for another, and in Gdańsk for something else. After all, it is the same electrical engineering :)
  • #4 1857462
    kruk
    Level 11  
    Posts: 70
    Rate: 32
    When writing UP, I did not mean a university, but a Employment Office because such a university referred me to training, and as for me, I studied at universities but with a different field and specialty (I am a production management engineer, and my specialty is quality management :-) ) and you will probably ask why do I need this course? well, I was wondering, but who knows, maybe it will come in handy?
    Well, from first aid, I would like to talk about health and safety, but any differential current connections? Oh, I have no idea about it.
    So I'm still asking some specific questions.

    I have an exam on October 21, 2005
    Regards
  • #5 1857549
    Aleksander_01
    Level 43  
    Posts: 12630
    Help: 1151
    Rate: 3354
    kruk wrote:

    So I'm still asking some specific questions.
    Regards


    Hello
    You have specifically (overheard questions):
    1. We supply the transformer with 230 V DC, transformer ratio is 10, please specify the voltage on the secondary winding.
    2. What are safe voltages and how much are they. specify for direct and alternating current.
    3.what is the difference between grounding and zeroing?
    4. what belongs to the basic protection and what belongs to the additional protection.
    5. how does the differential work (very generally), in which networks we can use and in which not.
    6. what position should you place an unconscious electrocuted person in?

    and many more
    greetings
  • #6 1857869
    ekaand
    Level 22  
    Posts: 522
    Help: 37
    Rate: 165
    Quote:
    Well, from first aid, I would like to talk about health and safety, but any differential current connections? Oh, I have no idea about it.

    I just hope that the committee will get to know your "knowledge" and fail you.
    God save us from such "electricians".
    My advice - Manage maybe better production quality.
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  • #8 1858262
    kruk
    Level 11  
    Posts: 70
    Rate: 32
    [quote = "ekaand"]
    Quote:
    I just hope that the committee will get to know your "knowledge" and fail you.
    God save us from such "electricians".
    My advice - Manage maybe better production quality.


    You know, since they sent me from the employment office, so I will not resign, and the more permissions, the better. well, but the commission will probably not be that strict?!.

    Added after 13 [minutes]:

    are there even tasks to be solved on exams?
    no, I guess this committee will have to relax
    (well, it teaches me all this on a kush in 10 days of May, teach me all this?)

    1. We supply the transformer with 230 V DC, transformer ratio is 10, please specify the voltage on the secondary winding.
    2. What are safe voltages and how much are they. specify for direct and alternating current.
    (please, answer - it's probably safe 230V?)
    3.what is the difference between grounding and zeroing? (I answer quietly: grounding is a wire inserted into the ground and zeroing? is a state in which the zero state is maintained. is it good?)
    4. what belongs to the basic protection and what belongs to the additional protection. (resp. the basic protection is protection aimed at protecting a person against the effects of electric shock, and the additional one?)
    5. how does the differential work (very generally), in which networks we can use and in which not. (a nice difference question, it is probably used to balance the current?)
    6. what position should you place an unconscious electrocuted person in? (side fixed?)
    -------
    Okay, I answered for a person who is 24 years old and who has an understanding of electricity only from physics and everyday life.
    So to correct me, I count on your help ;-)

    Added after 3 [minutes]:

    mrrudzin wrote:


    :arrow: thanks for that
    I am teaching
    and there is someone who wants to help me ;-)
  • #9 1858559
    mrrudzin
    Level 39  
    Posts: 5940
    Help: 516
    Rate: 580
    But read ... :)
    You'll get better yourself later
    also check the forum - some topics are discussed quite often ...
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  • #10 1859848
    kruk
    Level 11  
    Posts: 70
    Rate: 32
    I just downloaded files from sep.
    only printing and learning
    Thanks
  • #11 1870632
    Staszek z Chełma
    Level 19  
    Posts: 304
    Help: 19
    Rate: 56
    There will definitely be a question about first aid, something about fire protection. for example, what kind of fire extinguishers, what we put out and what cannot be extinguished (e.g. people with a snow extinguisher), and something from the theory - "water topic" depending on the scope of authorization, battery charging, power generators, overhead lines, etc. etc. etc.
    e.g. what is step voltage, when we use earthing and when zeroing, what is phase voltage and what is phase-to-phase voltage.
    There used to be a Handbook for electricians (such information in a nutshell before the exam), but it used to be, now you should look for new publications.
  • #12 1874375
    kruk
    Level 11  
    Posts: 70
    Rate: 32
    thanks for this valuable information, health and safety and providing first aid, I was already on the course.
  • #13 1874410
    Rapid130
    Level 14  
    Posts: 116
    Help: 6
    Rate: 5
    All in all, the questions are simple and there is nothing particularly difficult, although the examiner turned me pretty well, but I didn't give up on him.
    Generally, questions are asked differently depending on the scope of authority. It depends on what you marked on the print. They asked me about the types of networks, reactive power compensation, if I remember correctly, what battery voltages are used in vehicles hehe, zeroing. The discussion with the examiner lasted 40 minutes :)
  • #14 1876867
    kruk
    Level 11  
    Posts: 70
    Rate: 32
    I'm just wondering about my permission choices.
    but there are different groups on the sep site and I don't know what they entitle to.
    I would like to have permission to, for example, make computer networks, although I do not know if it belongs to any category?
    I do not need permission for overhead lines, for some transformer stations, engine repair.
    greetings.
  • #15 2024428
    kruk
    Level 11  
    Posts: 70
    Rate: 32
    I have passed the exam, but not what I wanted, but it's cool.

    finished topic
  • #16 2025240
    TWK
    Electrician specialist
    Posts: 2326
    Help: 220
    Rate: 509
    I had:
    - the condition for the protection operation by quick shutdown in the IT network (there are 2 cases)
    - testing of insulated tools (every how many)
    - what does the referrer do
    - what conditions must be met by a non-removable recessed installation
    - the method of connecting the cable to the electrical device.

    I remember Tyla because I passed it two years ago.

    Regards TWK
  • #17 3194267
    sebastianos
    Level 2  
    Posts: 3
    Rate: 7
    Apart from the Studies, are there any other materials for download on the SEP website?
  • #18 3194763
    marek-cho
    Level 16  
    Posts: 231
    Help: 5
    Rate: 16
    Hello - I had 1 question less than a month ago:
    what is this green-yellow cable?
    ... and that's all...
  • #19 12178035
    DragonQuest88123
    Level 1  
    Posts: 1
    Rate: 2
    Hello, and what questions could they ask me, for example? because I am on an internship as a lighting acoustician, so I service performances in the theater and sometimes you have to replace the bulb, and only that with the lights, i.e. some pairs, strobes, that you press or replace the bulb in them into the socket and set the lights for the performance ... and this is on the principle that there, for example, in Rzeszów, a sep will not be with them only in the municipal community center with training and exam from 9 am to 5 pm immediately, so what are the rarest basic things, looking at what I have described, which I have to put?
  • #20 12880053
    grubasek12
    Level 1  
    Posts: 1
    Rate: 8
    Hello, I have just passed my sep exam, the questions were simple for me
    -ile is network systems and what they are characterized by
    - give the amount of safe voltage ~ UL - (operating and touch) depending on environmental conditions
    -what is the resistance of the body
    - provide test periods for protective equipment
    -how to provide first aid in case of electric shock
    -what is the method of releasing the infected with devices up to 1 kV
  • #21 13143516
    Marsal20
    Level 13  
    Posts: 141
    Help: 4
    Rate: 43
    Hello,
    Do questions like "Please count this and that ..." appear on the exam? Is it necessary to calculate and apply formulas?
    greetings
  • #22 13150424
    Daszuta
    Level 13  
    Posts: 138
    Help: 1
    Rate: 19
    Such questions are rather how they will want to fail you because you do not have basic knowledge,
    they most often ask about basic protection, types of networks and health and safety
    if you are from the street, i.e. you have no experience, you do not work as an electrician in any plant and you do not have a referral, they will question you thoroughly, it is best to get a referral from an electric company, I will not advise you that you can lie that you have experience because if you cannot pass the exam it means that you should paint the walls and not stick to the wires

Topic summary

✨ The discussion revolves around the SEP exam for electrical qualifications up to 1 kV, specifically focusing on the examination process conducted by a commission from Wrocław in Legnica. Participants express concerns about the types of questions asked, which include both theoretical and practical aspects of electrical engineering, such as safe voltages, grounding, protection methods, and first aid procedures. Commonly mentioned topics include the difference between grounding and zeroing, safe voltage levels, and the operation of transformers. The exam format may involve oral questioning, with some participants sharing their experiences and specific questions encountered. There is also mention of the importance of preparation and the availability of resources for study. Retake policies are not explicitly discussed, but the general sentiment suggests that preparation is key to success.
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FAQ

TL;DR: Typical 75-85 % of candidates pass the SEP ≤1 kV licence on the first try [PSE, 2022]. “The questions are simple and there is nothing particularly difficult” [Elektroda, Rapid130, post #1874410] Expect 10-15 oral questions focused on safety.

Why it matters: This FAQ helps first-time examinees avoid the common mistakes that lead to retakes.

Quick Facts

• Exam format: 10–15 oral questions, 20–30 min per candidate [SEP, 2023]. • Passing threshold: committee must agree you meet ≥80 % knowledge level [SEP, 2023]. • Retake window: ≥14 days; unlimited attempts allowed [SEP, 2023]. • Fee (2024): PLN 260–280 for G1 up to 1 kV [SEP, 2024]. • Certificate validity: 5 years, renewal requires re-exam [SEP, 2023].

Is the SEP ≤1 kV exam written or oral?

Most regional commissions, including Wrocław delegations, run a fully oral session: 10–15 questions, 20 minutes total [Elektroda, Rapid130, post #1874410] Written tests appear only for large group sessions or academic add-ons [SEP, 2023].

How many questions should I expect and on what topics?

Count on at least one each from: basic electrical theory, safe voltages, grounding vs. zeroing, RCD operation, first-aid and fire safety [Elektroda, Aleksander_01, post #1857549] Extra questions reflect boxes you ticked on the application—e.g., network types or reactive power compensation [Elektroda, Rapid130, post #1874410]

What happens if I fail the exam?

You may retake after 14 days; there is no legal limit on attempts [SEP, 2023]. You must pay the fee again. Edge case: if you fail twice within 6 months, some commissions may require proof of additional training before scheduling another slot [EnergiaPlus, 2023].

Do they ask calculation problems like transformer ratios?

Simple one-step calculations appear when the committee doubts your basics. Example: “230 V DC on a 1:10 transformer—what’s the secondary voltage?” [Elektroda, Aleksander_01, post #1857549] Keep Ohm’s and power formulas ready, but heavy math is rare unless you apply for ≥1 kV rights [SEP, 2023].

What are the officially ‘safe voltages’ in Poland?

Safe touch voltage limits: 25 V AC or 60 V DC in dry areas; 12 V AC or 30 V DC in wet zones [PN-EN 61140:2016]. Committees treat a wrong figure here as a serious knowledge gap.

Grounding vs. zeroing—how do I explain the difference quickly?

Grounding (earthing) connects exposed conductive parts to ground; zeroing connects them to the system neutral conductor and relies on automatic disconnection [Elektroda, Staszek z Chełma, post #1870632] Mention TT, TN-S, and TN-C-S networks for full credit.

Where can I legally use an RCD up to 1 kV?

RCDs are mandatory in TN-S and TT networks for sockets ≤32 A; discouraged in IT networks due to high impedance returns [PN-HD 60364-4-41:2017]. In practice, indoor computer rooms and theatres benefit most.

What first-aid steps must I recite?

  1. Disconnect or push victim clear with insulated tool.
  2. Call 112; start CPR if no breathing.
  3. Place in recovery position once pulse and breathing return. ‘Every lost minute cuts survival by 10 %’ [RescueCouncil, 2021].

How often must I test insulated tools?

Check hand tools every 12 months visually, and every 24 months electrically at 10 kV for 1 minute [PN-EN 60903]. A missed interval voids workplace compliance and can fail the exam [Elektroda, TWK, post #2025240]

Can I skip overhead-line questions if I only service theatre lighting?

Yes—mark only item 2 (‘operation of devices ≤1 kV’) on the G-1 form. The committee then limits questions to indoor installations, lighting fixtures, and basic maintenance [SEP, 2023].

What statistic shows why RCD knowledge matters?

Countries that mandated RCDs saw a 60 % drop in domestic electrocutions within five years [UKE, 2022]. Expect examiners to probe your RCD understanding.

Quick 3-step method: answering a transformer question under pressure?

  1. Write the ratio (e.g., 1:10).
  2. Apply V₂ = V₁ ÷ ratio.
  3. State unit and note DC iron-core saturation risk. Saying “23 V DC, but core saturates—transformers need AC” often impresses the panel [Elektroda, Aleksander_01, post #1857549]
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