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  1. SJD

    Can I mix Fluorescent and LED ?

    Couple of things to watch out for: 1. If there are 3 lights under a row of cabinets, often they are linked one to another with cables designed for the job. Over the years, the style of the plug/socket has changed slightly, so a new plug won't always fit an old socket. So you might find you...
  2. SJD

    UK Vertical Consumer Unit

    As above, you can get a dual row consumer unit that will easily fit the space. For example, Hager do a 10+10 dual row unit that is approx 300mm wide (and 480mm high), can't imagine you'd need more than 20 ways total.
  3. SJD

    UK Vertical Consumer Unit

    What is this consumer unit supplying? Approx building size / use? I'm thinking it is perhaps a very large house with a 3-phase 200A supply, or maybe something else?
  4. SJD

    UK Vertical Consumer Unit

    By a 200A consumer unit, do you mean a TPN unit which is typically vertical anyway? Or do you mean something else? How many ways do you need?
  5. SJD

    How to disable a burglar alarm

    In the absence of reliable info, as mentioned tackle the bell box first. It will likely have a battery in it. Once you get it open, have side cutters ready to cut the wires to the battery / sounder / bell. Just warn neighbours first that you are not burgling the place and it will be shut off...
  6. s-l1600.jpg

    s-l1600.jpg

    • SJD
    • Media item
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    • Category: Electrical Videos
  7. SJD

    Someone's going to suffer buyer's remorse.

    While it looked Fusebox-like, there were differences, some subtle, some not so. Apart from the most obvious other 'brand' of RCBOs, next most obvious is the SPD is on the left (Fusebox is on the right of the main switch). Then more subtle things like different front cover screw holes...
  8. SJD

    Fitting wall lights with side cable access

    Possibly a Wiska 206 might be small enough, but I don't think it would fit mounted horizontally below the light. Possibly could be mounted to the side instead, on a horizontal mortar joint. In either case, not sure it would look that pretty. https://www.tlc-direct.co.uk/Products/WK206B.html As...
  9. SJD

    Fitting wall lights with side cable access

    Do you really mean an connecting with SWA (i.e. armoured cable) which ought to be glanded, which you are never going to do into such a light fitting? If the cable is SWA, possibly terminate first into a Wiska box with appropriate outdoor SWA gland. The LAP lights you link to are specified at...
  10. SJD

    Running lights across scaffolding

    To add to this, I'm not that familiar with scaffold installation, but have the vague idea the vertical poles are perhaps stood on some kind of timber boards. However, should one pole end up poking in the ground (intentionally or accidentally) then I'd wonder if the scaffolding installation might...
  11. SJD

    Bathroom Extractor Fan Install

    It looks like your old fan was a 12V model, fed via a transformer?
  12. SJD

    After a New Consumer Unit, now I need EICR & 100A DP Isolation Switch

    Re (1), the testing for an EICR is pretty much the same testing you should do for a consumer unit change. So in theory you can have an EICR done, and the CU change costs should reflect that most of the testing has already been done. Many people would want to do the testing first on an old...
  13. SJD

    Surge protection devices for PME supplies?

    I've been installing Type 2 SPDs in consumer units for several years now, and they always come as a pair, connected across L & E, and across N & E. Typically they plug into a holder, sometimes as two separate SPDs (e.g. Hager, with separate E connections), more often now as one combined SPD...
  14. SJD

    HJT’s low-light performance and bifacial power generation efficiency

    The company's website extolls the so-called benefits of this HJT technology, and the OP can easily find that for themselves on the first page of a google search. Whether the benefits are real or not, I've no idea. I did wonder if perhaps this was a post from someone with a vested interest, e.g...
  15. SJD

    Introducing myself

    I would check carefully with the competent person schemes (NICEIC, NAPIT), and if the qualifications you would gain meet their requirements. The schemes tightened their requirements a year or so ago, and there people disappointed they didn't meet the requirements to register after all.
  16. SJD

    Introducing myself

    I can't comment on the training centre you mention, but research very carefully before you commit to any. There are a number of threads on here from people who have signed up to training courses only to find out they are not what they appeared, and they are committed to large sums of money (to a...
  17. SJD

    Do BG Nexus make an intrrmediate dimmer module?

    As mentioned, you can get e.g. Varilight dimmers with one master and several slaves (if I'm allowed to use that word!). So all switching points can be dimmers, if you wish. If you need to match a BG or other faceplate, you just buy the modules and swap them into the faceplate of your choice.
  18. SJD

    Certificate Building Control

    The electrical work mentioned is a garage conversion with a 4-way board, and the EICR only needs to cover those 4 circuits (or less, if not all used) plus earthing & bonding, there should be no need to check the rest of the house (though it might be a good idea to do so, depending when or if...
  19. SJD

    New project, advice sought

    Reminds me, my dentist has a TV mounted on the ceiling above the chair, so you can be distracted watching music videos while he works!
  20. SJD

    New project, advice sought

    Not a comment about the lighting, but a more general comment. I did a fair bit work in a dental practice a few years back, and one thing they overlooked was resilience of services when something failed. If you have several treatment rooms, and something fails in one, you don't want it to stop...

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