correct

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  1. L

    Correct depth for SWA

    What is the correct depth for installing SWA cable ?
  2. 1

    Discrimination and correct implementation of Zs

    Scenario: 3 phase DNO with 100A fuses into a control unit feeding 2x 5kVA txs with combined load of 40A. We're adding 2 more 5kVA txs, one with 14A, the other 21A. What I've come up with so far: 63A fuse consumer side will need replacing with an 80A BS 88-2 (gG) fuse (max Zs 0.57Ω)...
  3. R

    Correct Contactor and MCB

    Hi All I am going to be installing some high bay lighting which will consist of 3 x 400w metalhalide fittings so 1200w in total with runs of approx 60 meters in 2.5mm cable. I will be wiring the circuit via a 20amp contactor with a control circuit of a two way switch system to activate or...
    • richard1barker@
    • Thread
    • contactor correct mcb
    • Replies: 41
    • Forum: UK Electrical Forum
  4. R

    Correct me if I'm wrong but .....

    Correct me if I'm wrong but ..... To become an electrician in the UK I have completed an apprenticeship and continue to be working for a local company going on 5 years total now. I did 3 years in college, plus 2 years on site experience (NVQ level 3) Also did AM2 (what's the point if not...
  5. T

    What is the correct qualifications?

    Hi All, I'm new to the site, so hello all. I've only managed to find old postings to my questions so i'm hoping someone can help. I'm looking to move into property development, and its making me wish more and more that i had studied a trade at college. Im know looking at doing a course at...
  6. J

    Assignment guide

    Hi, i am really struggling to find the relevant books and guidance notes to complete my assignment at Level 3 - 2365. Can anyone please help.
  7. V

    Is my wiring setup okay?

    Hello All, First post. So, I have designed the following setup: The question is, does it look okay? The RCD FCU is on a ring main, using 2 cores for earth from the FCU to Outdoor socket box. Cheers...
  8. J

    Extractor Fan-too simple to be correct?

    I need to put an extractor fan in a small downstairs toilet with no window. I know it has to be fused to 3amps and I know it has to have a run over facility, and that it must be linked to the light switch/switch to conform to building regs. It will be a staff toilet and I am aware that people...
    • Jolyonwag
    • Thread
    • correct extractor simple
    • Replies: 10
    • Forum: UK Electrical Forum
  9. F

    Calculating Voltage Drop on a Ring main

    Hi Guys, I'm fairly new to the industry and have sat and passed all the relevant exams to become a Domestic installer. I'm a little stuck with one of my pieces to be assessed by NICEIC. I'm doing a full rewire at my dads house and would like to check that I'm calculating the cable volt drop...
    • fire8789
    • Thread
    • calculating correct length main please ring ring main voltage voltage drop volts
    • Replies: 9
    • Forum: UK Electrical Forum
  10. D

    Is this a plausible wiring diagram for a 12V DC timer?

    Hi, I want to wire up a 12V DC timer (CN101A) to turn an appliance on and off. I have the found on the internet the following wiring diagram for the timer and not being too experienced I was wondering whether it will work if I make the connections as shown: The timer does not show + or - so I...
    • doive1231
    • Thread
    • 12v attach correct diagram fridge switch timer wiring wiring diagram
    • Replies: 20
    • Forum: UK Electrical Forum
  11. E

    Full Refurbishment And Socket Heights

    We seem to be getting conflicting answers on whether the recommendations in Part M relating to installing sockets and switches at 450mm to 1200mm respectively also apply to existing dwellings undergoing a full refurbishment (and rewire). Can anyone put the record straight? BC are involved on...
    • EViS
    • Thread
    • correct heights socket sockets switches
    • Replies: 10
    • Forum: UK Electrical Forum
  12. H

    Correct warning signs for high voltage (potential belt off 2 phases) please help!!!

    Anyone with experience of this or an idea please help. I have 2 phases going going into a cab, each one 230v. However there is a real chance someone could touch the two and get a belt from each phase at the same time. What would be the correct type of warning sign to use? Also out of...
    • harrison2987
    • Thread
    • correct help high voltage off phases please voltage volts warning
    • Replies: 19
    • Forum: UK Electrical Forum
  13. B

    Correct size trunking for heat dissipation?

    I have to do an install using trunking which I have nebr used before, I understand there had to be 45% free space inside for heat travel. so what size trunking do I need to fit two 2.5 t&e cables inside? As I said I have never used trunking before so it is new to me.
    • blueschill
    • Thread
    • correct heat pat pat testing size trunking
    • Replies: 13
    • Forum: UK Electrical Forum
  14. J

    who's correct with electric company rpi increase...in there quote.

    i have had a few solar panel quotes where one guy has said a ten percent year on year rise in electric one at 5% one at 7.% and this makes quite a bit of difference to my returns who do i believe and who's is the more accurate figures should they not all be using the same increase percentage...
  15. J

    Cooker circuit info

    Hello all. I'll start by saying this is my first post. My name is John and I'm a maintenance engineer (electrical) from Scotland. Have found alot of cooker info on here but just to make surey My fully electric cooker is rated at 12925w and there is also a 45a fuse protecting and 6mm cable...
    • John90
    • Thread
    • circuit cooker correct diversity electrical engineer
    • Replies: 4
    • Forum: UK Electrical Forum
  16. P

    plastic conduit cutters

    Hi guys and girls, Im now in the market for some new plastic conduit cutters any reccomendations please ? :bulb2:
  17. R

    EICR's

    Am i correct in thinking you don't need to be registered with a scammer scheme to do ECIR's?
  18. F

    Is this calculation correct?

    Hi i was looking at this old post and saw a calculation resolved which im not too sure is right and would apprciate confirmation wether it is or isnt Q24. A continuity of ring final circuit conductors test is to be carried out on a circuit supplying the office. The circuit is wired in 2.5mm...
  19. HappyHippyDad

    Correct wiring of RCCB?

    Hello all.. I figure its better to ask and be ridiculed than not! I am about to add a couple of spurs to a ring that is not RCD protected. The neighbour definitely wants them channeled in rather than surface trunking so I have to RCD protect. It is an old Tenby CU with crabtree SB6000 MCB's. I...
  20. T

    sorry if wrong section- help with Q on inductive reactance - revision homework

    hi all, can someone if the following answer is correct. would as teacher but 2 days till class. a coil of inductance of 0.2H is connected across a 230V 50Hz supply. What will be the current flowing in the circuit, if we assume that there is no resistance? XL= 2pie fL XL= 2pie * 50 * 0.2 =...
    • technokaz
    • Thread
    • answer correct electrical work electricians' talk help homework inductive resistance revision section sorry wrong
    • Replies: 1
    • Forum: UK Electrical Forum

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