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  1. Thomas Simons

    Domestic RCD Protection for lighting within communal parts

    I'm due to start working in a building which houses lots of flats over 6 floors with 2 internal communal stairs. I'm due to replace 13 ceiling lights per floor/stairs from a halogen bulkhead to a ELD 17w LED microwave/emergency bulkhead. Each floor is fed from a Square D B6 QOE MCB on a 3...
  2. M

    Domestic Leave existing ceiling rose within new metal light fitting??

    I'm your average DIYer and after advice about replacing a pendant light with a new flush metal fitting. I can fix the new light to the ceiling and the existing rose sits within the void of the new fitting without any clearance issues. Is it OK to leave it in place and wire the new fitting into...
  3. Murdoch

    Which Publication is this?

    This picture was sent to me by a plumber - so I'm guessing its some form of plumbing or gas safe regs He was saying the bond HAD to be within 600mm and that my regs (BS 7671 AMD3 were wrong!) So I was wondering is this is the document above that needs changing to reflect the proper description!
  4. lurch

    Rating factor within an enclosure?

    I seem to recall there is a rating factor that can be used within an enclosure effectively uprating the current capacity of the cable. Does any one know what this is and can it be found in BS7671 or is this a rule of thumb (?) for switchboard manufacturers?
  5. S

    Install within agricultural sector?

    Been trying to work out if I can legally install a 240 panel with 24v outputs within a poultry farm as an addition. I have zero qualifications but am prepared to train. From what I’ve read so far you just need to be competent, which leads to which qualifications would prove this ? Would the work...
  6. DavidSpark


    Hello, Quick introduction, My name is David and I work as an Electrician within the military, I've been doing that for the past 4 years. Worked within the industry with bits and bobs here and there since 2009, most of that time since then has been spend in education. Looking forward to...
  7. Dave the spark

    RCD tripping times exam question

    I sat the 2394 written exam tonight and one of the questions was about testing a 30mA RCD. It asked which tests you would carry out and the permitted tripping times. I answered that at 30mA and 150mA it was equal to or less than 300ms and 40ms respectively. Which I believe to be within those...
  8. VoltzElectrical

    Naked Ladies? the results for L-L and N-N should be within 0.05 ohms

    Naked ladies are lovely. especially if they are fit. However, on an electrical note... When testing ring final circuits end to end tests confirming the ring. I have recently been informed that the results for L-L and N-N should be within 0.05 ohms. I know that they should be the same, but where...
  9. I

    Industrial Satisfactory or Unsatisfactory

    Hi fella's , Following a recent report I have had sent to me t was deemed that multi-core SWA doubled up to supply a single phase piece of equipment, was unsatisfactory for following reasons. 'Poor onsite installation practice may result in increased risk of failure,electric shock or fire'...
  10. D

    minor works high Zs Values

    test, cant seem to post????
  11. F

    Cutting Slots In In Metal Dist Boards

    hi lads what ru using to cut slots in metal dist boards consumer unit my old jigsaw has justgiven up on me many thanks paul
  12. robd

    Hot tub volt drop

    Hi All, Been to look at a job with a hot tub 27A load, 30 metre run. Don't do much volt drop calculating but here's what I did, anyone disagree? Thinking 6 mm armoured so: 7.3x27x30/1000=5.91v max permissible (5% of...
  13. A

    Within Competent Person Schemes

    Hi, I would appreciate answers from those who have worked within a CPS. From the 'Practical Solutions' thread some will have seen that I raised that it might be possible to effect change from within the schemes. However, this is from the slightly naive vantage point of little...
  14. saucyjack

    Cooker control switch needed or not?

    Hi guys, just a quick question: I appreciate that if you're installing a cooker, then there ought to be a cooker control switch fitted within 2m of the appliance etc., no probs. However, what's the deal with a separate oven and hob? I've got these to install soon, and it's my intention to feed...
  15. B

    EICR Flood

    Hi Guys on a job that was affected by recent floods carrying out an EICR My question is that although the downstairs and kitchen rings are testing up ok I have concern because the cables that were run under floors were sat in water for over 4 weeks. I can't find all JB's but there must be more...
  16. goldie

    door alarm system

    Hi everyone. I have had a request to fit a door alarm system. Basically client needs a buzzer fitted within an office that will operate when either the front or back door opens at night time only. I have a general idea of fitting 2x door magnets, when door opens buzzer activates, psu fed by...
  17. H

    Help with EICR code!

    Hi, just wondered what your thoughts are on this, 3 bed town house Whole house ring final, mixture of 2.5 / 1.0 & 2.5 / 1.5 twin and earth cables, End to ends = 0.78, 0.78, 1.6. R1r2 = 0.61 (spur). ZS = 0.66! BS7671 recommends a max of 100 square meters which using 2.5/1.5 = an r1r2 of...
  18. F

    Solar PV for my new roof?

    Ihave a South facing Slate roof big enough for a 4KW Solar installation. Itis on a 3 storey semi detached house in the South of the UK Iam soon having the roof replaced and am looking into Solar PV Iwould appreciate any comments and experiences that you can kindly offer Isthere anything the...
  19. BillyTheSparks

    Bathroom Hairdryer

    Hello All Wise and Wonderful Persons!!!! :rofl: (only joking!) I am currently working in a house which is being complete refurbished. Whilst walking through the job with the client, he asked if it was possible to have a power supply for a hairdryer within the basin unit in the bathroom, so...
  20. W

    Websites SEO and online marketing

    Im looking at scrapping my existing website, which was only a basic reference based site i am planning on getting a professionally built, optimised site and using the company for seo to build the site up, and get a decent presence this isnt cheap but i can afford it within the marketing budget...
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