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  1. 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?
  2. 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...
  3. HappyHippyDad

    2 or 3 rings within a 3 bed semi?

    Evening all.. I have just rewired the sockets in a house. To begin with all sockets, including the boiler (gas) and kitchen where on one radial circuit on a 20A mcb. I have put the house on one ring (32A mcb), the kitchen on a seperate ring and the boiler on its own circuit. The client is...
  4. Wilko

    Poolside lighting within Zone 1

    Hi All, customer wants some new poolside lighting, and the edge of the pool is 1.8m from the side fence so it's within Zone 1. Didn't seem to bother the last Spark, but if I read it correctly 702.55.4 says Class II 230V lights if they are 2m up and RCD'd (not likely to be wanted due to light...
  5. S

    Fire alarm within public house with dwelling

    OK so while installing some cameras and aerials for a friend at their pub, I noticed some causes for concern... It was refurbed last year before they took on the lease, I noticed the old detectors changed for fike twinflex (which im sure I read the panels arent EN54 anymore) anyway today I asked...
  6. DavidSpark

    Introduction

    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. D

    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

    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. B

    Experiencing volt-drop within household

    Hi All, I am not a qualified electrician - please be gentle! I had renovation done to my house last October which included a complete refitted kitchen. The new kitchen included a new Neff double oven in which has been working like a charm since last it was installed (including both ovens being...
  11. D

    minor works high Zs Values

    test, cant seem to post????
  12. HappyHippyDad

    Uploading images within a word document onto the forum?

    Hello all, I have just spent about an hour drawing a diagram in word (using shapes/boxes/lines etc) and I cant work out how to put it into a thread. Any suggestions? When I press upload it just comes up with "Doc1.docx:Invalid file". It wont actually look like it took an hour! Usually I just...
  13. P

    Switched fuse within 300mm from sink

    Hi guys, when completing a EICR how would you code a switch fuse spur feeding a water heater situated within 300mm from a sink. thinking about the splashing and possible switch use with wet hands. was thinking code 3 if RCD protected and code 2 if no RCD protection?
  14. 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
  15. B

    mains linked smoke detectors within flat entrances

    I have been asked to install mains interconnected smoke detectors in the entrance lobby of flats that are linked together with the common ways detectors. the common way detectors are already installed using the existing lighting circuit. Is it okay to use the supply from the detectors in the...
  16. L

    Service head within flat

    Customer would like service head and meter moved in flat, they contacted SSE who said that they need to get their electrician 'me' to move the rising main, they will then come and move their equipment. Doesn't make any sense to me. I assumed the service head and HRC fuse belong to the DNO but...
  17. 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...
  18. T

    untrained/unskilled persons carrying out electrical work/repairs within a company

    Hi All I would like some opinions from fellow sparks,I work as a foreman electrician for a large Logistics company and I am part of the building maintenance team we have all trades in the team. Each depot has a what my Manager calls maintenance men ( I call them caretakers/Janitors), they carry...
  19. A

    Emergency Lighting within Welfare and First Aid rooms

    Can anyone confirm or deny whether it is a statutory requirment for luminaires within a Welfare and a First Aid room to be emergency fittings, or would standard fittings be acceptable if there is for example an emergency bulkhead luminaire above the door?
  20. K

    USB ports within sockets

    HI all A client ask if i could look into the idea of having one of those USB + standard stock installed in her house. I know there are a couple of comments in this forum but just thought I would ask as they are older threads. So has any one has any experience with them (as i have not) if so...

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