query

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  1. R

    Cable Selection Query

    For the purposes of selecting appropriate cable size using the current capacity tables in Appendix F of the OSG is twin and earth considered to be a two core cable or three core cable given that under normal operation only two of the cables are carrying current and if some portion of that...
  2. H

    UK Need advise on RCD query

    Hi all, The rcd in my single rcd consumer unit keeps on tripping. It first happened when I turned the kettle on. It then happened when I turned my shower on. Both of these times my portable radiator has been on. I have tried the kettle and shower both at the same time and individually when the...
  3. R

    Upgrading Cooker Query

    Hello all, thanks for checking out this post. I’m just after a bit advice today. I’ve got a very limited knowledge of electrical installation from a couple of C&G courses I completed after leaving school. I didn’t pursue that career and it’s been a good 7 years so I think we can write that...
  4. A

    Tripping Query

    I changed a couple of sockets at a property I am working on and put my plug tester in to check and it tripped the rcd. Tried a couple of times then took sockets off to check them - all ok. Tried to do loop test with my kew 63 tester - tripped again. Tried a few other sockets in property and all...
  5. A

    Cable query for Oven install

    Loft space has a 10mm T&E cable terminated into a JB in the loft space which was from a old shower being removed. The requirement is for a oven and microwave being installed into a new space at back of kitchen where only a 13Amp socket is available. The current draw would be 22Amps. The new...
  6. BeeJay2

    Air horn query.

    Hi all. I've always fitted a set of single tone air horns that I've swapped from car to car over the years, except, to my present motor, simply because the horn is very difficult to access. Anyway I arranged for my local garage to do the job & decided to make sure they were okay first, not...
  7. Q

    Insulation resistance query old style hager rcbos

    When carrying out insulation resistance testing on old style rcbos (hager) I understand you are supposed to disconnect both line and neutral aswell as both the neutral and functional earth fly leads.....however does this in theory mean you need to disconnect the above for all rcbos at the same...
  8. F

    Cable Size Query

    Hello, I'm hoping someone can help me with a problem I've come across on behalf of a colleague. A single phase PV system with a 6kW inverter has its AC running 187m underground to its point of termination. The cable that has been used is a run of 3 core SWA (6mm) carrying the neutral, and...
  9. lozarus

    Wiska WK308 Query

    I think I'm being dim here, but it's been a long day and I won't be able to sleep with this rolling around in my head - so can anyone help me out? Replacing 3x junction boxes outside, serving 3 external lights which have become waterlogged due to poor original installation. The first two...
  10. Z

    Eicr query

    Hello all, my question is regards to a eicr. I have come to a property to do a eicr and have come across the lighting circuit neutrals in single insulated with no earthing. The live have earthing, which are single but the neutrals have none. Would this constitute a c2 or a c3. Thank you in advance
  11. Q

    Eicr coding query

    I am wondering what the installation methods should be for cables run under floor boards and then into stud walls but without thermal insulation...102,103 dont seem relevant and so my understanding leads me to think it would be a cross between c for clipped direct under the boards and then b for...
  12. R

    3 pole breaker query

    I know it needs to be replaced, but what actually causes a 3 pole breaker to suddenly stop being able to stay in the on position please, and that's even without it connected to anything (i.e. the switch mechanism makes the correct sounding click when push up, but immediately springs down)????
  13. J

    Double to single light switch

    Good morning all. I am new to the forum and hoping someone can help with a query i have. Currently i have a double light switch which operates two separate lights at each end of my kitchen. I would like to change the light switch to a single allowing me to turn on/off both lights at the same...
  14. G

    Portable Generator (Health & Safety Query)

    Hi all, Firstly, apologies if this thread is in the incorrect area of the forums. I'm currently undertaking a degree in Health & Safety - I'm about to begin an assignment in which a portable generator was housed in a confined space, which, ultimately led to the death of an individual through...
  15. S

    New build query for Scottish based electricians

    Been asked to carry out the electrics in a new build for someone I know. Although I’m a qualified electrician I’m not registered with Select or a similar body, I know it is advised to use someone from one of these bodies to carry out work & sign it off but where would I stand legally if I just...
    • SSE
    • Thread
    • based build electricians new new build query scottish
    • Replies: 2
    • Forum: UK Electrical Forum
  16. L

    UK Induction Hob Query

    Hi I’ve just had a new kitchen and an induction hob installed which is on its own 32amp rcbo but my question is the total load rating is 7.35 for the induction hob which is just below 32amp if I’ve worked that out properly and it’s fitted to a cooker switch with a socket on which will have...
  17. D

    UK External Wiring query

    Dear all, firstly, thanks for being there. I must make clear, I'm not a sparky, I'm a Fire Risk Assessor, but I've been asked some specific questions about external wiring and I don't know where to find the information. Any clues where to look please? The questions are about the standard/quality...
  18. Z

    EICR query

    Hi all, really sorry if this question appears silly! We are in the process of buying a property, but have yet to exchange contracts. The property had an extension done, which was issued with a completion certificate. However, it appears the electrics were not signed off due to a number of...
  19. NDG Elecs

    UK English rental EICRs query...

    Hi all... I have heard that mandatory EICRs in England (and Wales (?)) may be coming into force this summer. A letting agent I do a fair bit of work for posed a question just now that I didn't know the answer for.. They asked if a satisfactory EIC has been issued (say for a board change), then...
  20. mark the spark2

    UK NIC certificate query

    I have just bought a new house and am looking at the electrical installation certificate. It is dated 17/06/19 but the certificate is done to 17th edition. I thought the 18th Edition came into force in Jan 2019? The only thing that highlighted this was my wife tried to switch the extractor fan...

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