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  1. ian.settle1

    Can someone answer this?

    On my way home every night I pass a house in the countryside which has a wind turbine in the garden which stands approx 30 feet high, I was just wondering if anyone could tell me if this wind turbine's output is AC or DC?
  2. P

    earth fault loop three methods?

    when confirming auto disconnect of the supply it is necessary to determine the external earth fault loop impendance of the system. What three methods can this be achieved? So the external earth what loop impendance is the supply companies end is that right?
  3. J

    need answer

    If a transformer has 50 turns in the primary winding and 10 turns in the secondary winding, what is the reflective resistance if the secondary load resistance is 250 ?
  4. J

    Answer this question

    Yesterday, I faced an interview. The interviewer asked the question.... Que. The parallel combination of a 470 resistor and a 1.5 k resistor is in series with the parallel combination of five 1 k resistors. The source voltage is 50 V. What will be the percentage of the load current through...
  5. B

    Can we get an Official answer on this,,Inspection,Testing and Certification and 2391

    Can we get a firm answer and decision on this beacause as I read through this forum I become more and more confused,,,on all the courses I have just done which includes Part P and 2391 Inspection,Test and Certification,,,we were told that you must be registered with one of the schemes to...
  6. i=p/u

    voltage drop issue to be or not to be

    i have a heating ciruit to install soon and the distance from time clock to boiler is maybe 30-40M would there be a voltage drop issue with .75 flex. does anyone know the mv/A/m for .75
    • i=p/u
    • Thread
    • answer documents everything issue voltage voltage drop volts
    • Replies: 8
    • Forum: UK Electrical Forum
  7. M

    Another Voltimum Expert Gets it Wrong!

    I've become anesthetised to questioners on Voltimum seeking a black or white answer being given a grey vague answer because the Expert is sat more firmly on the fence than a Liberal Demorcrat MP. However, sometimes they just get it wrong, today's Q&A of the day on Voltimum 'answered' (NOT) by...
    • MarkieSparkie
    • Thread
    • another answer arial question voltimum volts wrong
    • Replies: 8
    • Forum: UK Electrical Forum
  8. R

    Prospective Fault Current

    I was under the impression that PFC is the greater of either the PEFC or the PSSC. Now look at this article (endorsed by the NIC) on Voltimum.... Voltimum Q&A I am assuming that the guy's tester is indicating over-range on the PSSC measurement. Apart from the fact that the way it is written...
  9. Top Cat

    PAT testing, fixed, portable. The definitive answer!

    I think to stop all confusion between fixed and non fixed appliance testing we need to re name the procedure. My suggestion is:- Frequent Allencompassing Rigorous Testing F.A.R.T We could all then get a C& G in FARTING! :angel_smile:
  10. T

    Sitting 2392 have practice question cant get the right answer help

    Hi guys have a Question on a practice paper and cant get the answer to the same as paper what am i missing any help would be great thanks in advance. A radial socket outlet is supplied in 2.5mm cable and is 20 m long the Ze of the istallation is 0.43ohms and the resistivity of the cable is...
  11. W

    Can anyone answer this??

    Sorry chaps, but I posted on another thread and it seems to be getting overlooked - could really do with some help sorting this out: http://www.electriciansforums.net/inspection-testing-certification-electrical-installations/29798-new-eicr-editable-pdf-certs-16.html
  12. L

    College work ?

    Hey Guys im a 3rd year apprentice struggling with my college work anyone got a clue in this question HELP ME! please A coil of resistance 4ohms is connected across a shunt of resistance 0.005ohms if the current in the main circuit is 50a what is the current of the coil ? :sick:
    • Lee Kerr
    • Thread
    • answer aus college current electrical work question roman work
    • Replies: 25
    • Forum: Australia
  13. S

    question to answer

    im changing a consumer unit and its on a tncs system. can i still use 30ma rcds as normal
    • sparkin1
    • Thread
    • answer aus question
    • Replies: 9
    • Forum: Australia
  14. I

    Anyone from city & guilds... Can you answer this, ammendment related.

    Hi all, i am currently studying in west london for the 2391.10, i was originally posted to have my exam in december but due to mix ups we wernt put forward and now have our date of 9th feb. As the amendment comes into force on 31st jan will our exam be marked incorporating the amendment or...
  15. R

    Solar pv lead generation

    We have thousands of solar pv leads for able to pay customers across the uk ,moving forward with the new fit rate we see an even greater demand now that initial costs have crashed to the customer,if your looking for good quality leads postcode specific or uk wide then please get in touch.either...
  16. W

    MCS sign off

    Hi Someone called me today and said they had a PV system installed by a Spanish company that is not MCS accredited. They asked if it is possible for someone MCS accredited here to inspect the install and sign off. I suspect this is not allowed does anyone know the answer? Thanks
  17. T

    MCS NIC Assesment - Calibration of testers

    Hey my first post! Got our MCS NIC assessment for Solar PV in a couple of weeks, we brought a testing kit with clamp meter, thermo gun and irradiance meter. In the instruction manuals it says nothing about calibration whether it is or even if it needs it. Now read on here somewhere NIC required...
  18. C

    I am desperate for the answer to My other Post - "Please"

    Hello All, I Apologise if this is NOT viewed as the correct way to behave on this Forum - BUT I am Desperate for the Answer to My Post entitled: `How to wire Programmable Room Thermostat to Heating System without Zone Valves` As it is VERY Long - To explain both My present Circumstances...
  19. A

    This is an odd one, however someone may have experianced this and have the answer

    A local shop keeper purchased the lease for a shop and the flat above of which he lived in the flat and the electic supply is fed from the shop below. He has since sold the lease of the flat to me but still owns the lease to the shop. The electric for the flat is still connected to the shop at...
    • alannotts
    • Thread
    • answer aus however someone
    • Replies: 5
    • Forum: Australia
  20. M

    Regs Question, quick answer needed

    Hi gents, i have been asked by a client you has some fancy designer doing their house up. What is the minimum sized cupboard space required for the MSH and CCU. I have said as long as its readily accessible for fuctional and emergency switching that should be fine. I have had a look in th regs...

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