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  1. edexlab

    Bonding tray in 18th edition

    In this case the whole structure is one big faraday cage Even where tray joins are bolted together I think there's enough surface area clamped together or fixed to brackets which are fixed via tapped holes all along the length of runs to make the continuity consistent .
  2. edexlab

    Bonding tray in 18th edition

    Cables are insulated and sheathed so not an exposed part Any earth potential is the same as the metal framework and walls that the tray is attached to So I would say it's neither exposed or extraneous
  3. edexlab

    Solidgear boots any good?

    I have looked at Uvex They seem to be very popular in Germany nearly everyone on site wears them I did get a pair of uvex trainers to try for size found one of the pair was width perfect but I thought the toecap internal height was low as it rubbed a little on my toes I've looked for a stockist...
  4. edexlab

    Solidgear boots any good?

    Thanks R-fur I'll take a look at them Your profile name anything to do with your feet?
  5. edexlab

    Bonding tray in 18th edition

    Heard that argument a couple of times! One firm I worked with had us go round checking all the tray on a big job with a long lead and test to show the Clerk that the tray continuity was ok , potential to earth was no worse than sll the metal work around the place etc and that bonding at...
  6. edexlab

    Advice on Voltage Testers please.

    I saw the guy an Indian electrician bring it when he came to turn power on to our panels on a job He was a bit bemused that I wanted a photo of it as it's either one of these or a neon screwdriver for them He asked what we used So I showed him the Steinel probes I had then He looked at them...
  7. edexlab

    Advice on Voltage Testers please.

    For those who haven't seen this before it's two lamps in series Testing 230v lamps are lit but dim 400v both lamps are full brightness
  8. edexlab

    Advice on Voltage Testers please.

    Dont know if anyone has noticed my profile picture? It's an Indian AVI
  9. Screenshot_20180217-224955.jpg

    Screenshot_20180217-224955.jpg

    • edexlab
    • Media item
    • Comments: 0
    • Category: Electrical Tools and Products
  10. edexlab

    Advice on Voltage Testers please.

    Never used a proving unit ever until recently I tend to carry a Martindale AVI (after my Steinel broke) also have a clamp meter , multimeter and a Drummond all in the same bag, but only use the AVI's for checking voltage is present etc One thing that annoys me is most makes the probes are...
  11. edexlab

    Ferrule crimping tool

    I'd have to agree with Spinlondon the profiles of those Jameson the image are the same as for JST terminals maybe the description is accurate but stock photo isn't A lot of people I work with have the Weidmüller ferrule crimpers which have the same jaws as the second jaw profile Or a rotating...
  12. edexlab

    Bonding tray in 18th edition

    Yes I thought it might be ... When he mentioned it I asked him what had changed in regard to this , he just said it was a new requirement and in future we'd probably have to do it. To be fair he's never used BS7671 so I did think that maybe he's mistaken. In the job I do, we run tray fixed...
  13. edexlab

    Bonding tray in 18th edition

    I've not yet got a copy or read the 18th ed But I heard the other day from a young Engineer at work who's doing the course ( his first time doing regs exam) that in the 18th it's compulsory to bond all joins in tray etc Can anyone elaborate on this?
  14. edexlab

    Siemens Climatix Plc advice

    Thanks for the info Blaspark I have already downloaded the app this week to try out at lunch breaks etc
  15. edexlab

    Siemens Climatix Plc advice

    Thanks Chris I'll look into it
  16. edexlab

    Siemens Climatix Plc advice

    Ok thanks Rob for your advice it's a shame though I was hoping this setup could be used etc but never mind I was talking to a colleague today about it as he has done a course he has a logo relay and I'll have a go with this first and then progress onto something else later,
  17. edexlab

    Siemens Climatix Plc advice

    Thanks Rob it would definitely be something I'd look at later as I progress Before I do part with £400 obviously it makes sense to try and work with what I've got / can afford at the moment as I'm also doing a couple of other courses right now Can you tell me if it's possible / practical to...
  18. edexlab

    Siemens Climatix Plc advice

    Yes I do realise that its for HVAC controls it's just to have a play and get a feel for this kind of equipment, Rather than just go on a simulator I can wire input/ output devices just basic lamps, pots etc even a PID controller as if I get something wrong I have to fault find as you would...
  19. edexlab

    Siemens Climatix Plc advice

    Evening all I'm looking at learning the basics of PLC's as I've never worked with them other than wiring them up I've done some reading so I understand the basic ideas but that's all I've been given an unused Siemens Climatic controller POL 638.00 to play with by a friend, He recovered it...
  20. edexlab

    Strange 2-way wiring

    I've seen this method twice, all wired in single red wires one to each switch insulated and sheathed don't know if there is a proper name for it both properties wired in sixties I think I was a new spark when I came across it 18 years ago and it did confuse me a bit as I was supposed to just...

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