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regarding

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  1. F

    Academic questions regarding rcds.

    I've just introduced myself and have two questions regarding rcds. I understand these monitor "ingoing and outgoing" power and if there is a sufficient imbalance the system assumes there is loss to earth and trips the circuit for safety. My questions are:- 1. Is there a natural leakage to...
  2. B

    A few questions regarding domestic installing

    Hi guys Hopefully this is the right section. Anyway several years ago I did the city and guilds 2330 level 2. At the time I wasn't told that I'd need the nvq level 3 to fully qualify, and obviously with me being 38 now an apprenticeship is out of the question. As I do property maintenance...
  3. J

    Need help regarding surge protection

    Hi there, I have recently had an issue where there was a power cut in the village we found out that a pylon had blown. When the power came back on it caused a surge around two properties that we own in the village causing the circuit boards on our boiler to blow and the till and boiler in our...
  4. A

    Question regarding 400V three phase lighting connected in Delta, without Neutral.

    I am in the process of designing the electrical installation of a community centre, and have a question about the provision of three phase lighting for a large function room containing 18 36W LED fittings. All of the light fittings are to be switched simultaneously. Would it be possible to...
  5. A

    Question regarding Voltage Drop Calculations

    When one is calculating the voltage drop of a circuit, one must determine the length of said circuit. However, I am not sure whether the length of the circuit includes the length of both the Live conductor running out from the consumer unit to the furthest circuit AND the Neutral conductor...
  6. S

    Please help me regarding these topics.

    I have an assignment on Saturday. There are somethings that I do not understand. So Please help me to figure them out. 1)What is the exact value as mentioned by regulations for High Voltage and Low Voltage? 2)If an insulation is good three people should sign to verify. What are those people...
  7. A

    Question regarding the installation of Non-Maintaned Emergency Lighting

    Hello. I am required to produce a design for an electrical installation of a proposed Community Centre, and I am having some problems determining a workable method of connecting of the Non-Maintained Emergency Lighting, which is provided using battery packs to be incorporated into the relevant...
  8. J

    Hello i am new to forums regarding test and inspect

    hello, new to forums, I am looking to get into the 2395/6 test and inspect and i am wondering what the kind of maths are needed for electrical theory any books that cover that stuff want to get all the maths (hard stuff) understood before booking the course vectors? as in power correction are...
  9. Q

    Info regarding part p

    hi, I'm looking for a little bit of information regarding part p and I'm hoping you can please help. I work for a company that provides student accommodation. We have over 500 rooms and do basic maintenance work. At present when a bathroom light or bathroom extractor fan needs replacing our boss...
  10. Lee Gold

    Question regarding ring final circuit

    Started a level 1, completed practical assessment, was given test paper and tutor told me to answer these questions, bearing in mind I haven't had any theory practice or anything given to me on this information before hand. 1. Give TWO health and safety regulations related to assembling a 13amp...
  11. T

    Advice Regarding Part P And Becoming A Domestic Installer

    I currently have city and guilds level 2/3 2330. And I understand t that I'm not fully qualified yet for my gold card till I get my full nvq! Also I'm about to do my 17th edition and have been working as an improver/Mate for the last year. I'm pretty comfortable regarding 1st and 2nd fix of...
  12. HappyHippyDad

    Discussion regarding mixed colours in CU

    I am having a discussion with a friend who is currently training to be an electrician. He is adamant that you cannot mix colours withing a consumer unit. He says the regulations state it and he will find the reg number (we haven't got one to hand at the moment). I have always been under the...
  13. S

    EICR, question regarding tails and fan isolator

    Good afternoon Guys, I am writing up the certs for 3 flats I recently tested for an EICR and wanted to get some opinions on my views. Back ground info; they were wired in 2000. Certificates present altho a bit incomplete. Test results there, just missing dates, cert number things like that...
  14. Z

    Question regarding old steel TN Earthing conductor from supply sheath

    I'm a little confused as to where the responsibility lies for the conductor described in the title. You know the type - on old TN supplies where you've got a bare multistrand conductor coming from the sheath to the M.E.T that's always of a fairly piddly CSA. My understanding is that this is the...
  15. Z

    Question regarding service cable / head for EICR

    I'm doing an EICR for a customer in an old property at the moment, and there are a few things I'm not entirely sure about. The consumer unit is in a kitchen cupboard, mounted behind the units below the worktop on what looks to be some old wooden panelling from a previous kitchen (the back panel...
  16. S

    Question regarding my VOC readings

    I've recently purchased 4 Helios 275 watt solar panels. My plan is to run a 48 volt system. 2 panels will be in series and both sets of 2 panels will lead into a combiner box down to my charge controller. Their specs read a VOC of 38 volts. I made the BIG mistake by not initially checking...
  17. D

    Questions regarding Ring Circuit

    Hi Everyone I have recently started a C&G 2365 level 2 course and seem to be stuck on, a few things are unclear hope you guys can shed a little light on the queries below. Regarding Radial & Ring Circuits The questions I am a little confused with are below "State the number of spurred...
  18. Z

    Question Regarding Adding Wiring To Lighting Circuit / Going Down A Cable Size

    I've got a lighting circuit wired in 1.5mm T&E on a 6 amp MCB. There are some lights that I'd like to add on to this circuit, controlled by an existing switch. Due to the position of these lights, the most aesthetically pleasing way to install these lights would be to run cable to the new lights...
  19. Z

    Simple question regarding Non RCD protected SWA run from CU

    As the title suggests, I'm running a submain. The space in which I have to work at the supply end is extremely limited though. The CU at the supply where the SWA needs to terminate is mounted on the inside of the external wall in the porch. Ideally, I'd just run the SWA through the wall and up...
  20. E

    Question regarding providing power to kitchen island

    Hello all, I am undertaking electrical installation in a new build house myself (notified to building control and will be inspected by them for sign off) and i am looking for some advice on providing power to a kitchen island. I had installed two cable ducts within the floor slab to carry the...

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