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  1. E

    RCD's how to test and when required, and what code?

    In my opinion, BS 7671 is for guidance & is not a Statutory Document. However, the regs have always been left to the interpretation of the individual Electrician. I think we have all learned something from the latest RCD's & how we test. I recently purchased a Metrel MFT & if I test an A type at...
  2. E

    Critical load from PV battery

    As you are having the PV installation done I suggest you make sure with the installer what you are requesting and they can recommend a transfer switch if needed fit & test the whole installation & issue certification for your own guarantee & piece of mind.
  3. E

    Critical load from PV battery

    What inverter is your PV going to be connecting to? I'm no expert but I would say normally the inverter controls the PV power & battery charging, then you would have management add-ons like Harvi & Eddi etc which divert power around the house to make the most use of available free power. I...
  4. E

    4mm cable, 32a breaker for 16.2kw Rangemaster installed by electrician

    This link may be useful to the OP.
  5. E

    UK DIY - Reading meter query (see video). Do I have 3 rates?

    Is this link any use.
  6. E

    Light switch 2 gang 2way with neon - UK

    Retrotouch Crystal Ct 20A Dual Switch With Neon White 04201 UK - https://www.directtradesupplies.co.uk/product.php/197362/retrotouch-crystal-20a-dual-switch-with-neon--white-ct--?gclid=CjwKCAjwo_KXBhAaEiwA2RZ8hGZlKmlgBCufIU3KIkzE6nhFSP9iBj0VJPe_Q9UFEBN4Kr-WKfb-ARoC_U0QAvD_BwE
  7. E

    How to position CT clamps correctly so solar does not interfere with EV charger.

    Can you please purchase a rubber grommet for the side of the C/Unit. Just an observation.
  8. E

    Multiple sub mains, how would you do it ?

    I personally would run a 2nd sub-main to the summerhouse allowing for additional loading, you know they are going to plug other items in at some point.
  9. E

    Multiple sub mains, how would you do it ?

    What size is the sub-main cable to the garage?
  10. E

    Industrial socket cable calculation

    I would not be happy installing a 125A socket outside without adequate protection & local isolation. I would also ask for details of equipment & maximum demand of the cabin installation, a question often asked by your DNO before connecting a supply. I would then feel that I have designed &...
  11. E

    Industrial socket cable calculation

    So Mr Client is going to site his cabin & plug it into your socket in the vicinity. Hopefully, your socket is in an External; weatherproof Cabinet. I think this whole scheme is madness to allow a third party access to your equipment to connect a 3 Phase supply of that rating. I would be asking...
  12. E

    Industrial socket cable calculation

    Maximum demand for cable then? Seems a bit of a strange setup. What about Isolation, other than a MCCB. Need to know the whole installation design?
  13. E

    Industrial socket cable calculation

    What is the socket actually going to supply, & length of run.
  14. E

    2365 design drawing level 3 Project

    I would think that the 32A radials should be 4mm minimum in insulation & the deeper the insulation even a 6mm. Why 2 radials for a Hotel, is this just one room or do you have to cook your own dinner & plug in your kettle?
  15. E

    Too many wires on ceiling rose?

    Red to Red, Black to Black, Blue to bits. Obviously do not try this, just a sick joke that has been going around for years.
  16. E

    Looking for metal clad accessory's

    MK Grid Plus. Tend to be a bit pricey though. Varilight, also do Quinetic wireless switches.
  17. E

    BILL bus bar chamber clamps.

    It will be interesting what you do Find.
  18. E

    BILL bus bar chamber clamps.

    I have Bill Busbar / switchgear 1200A 3phase and inside the Chamber, they are solid round copper conductors from memory 3/4"or larger. I had to improvise with something that resembled a chrome exhaust clamp. Not ideal but been working for years now .
  19. RCD's IMG_1830.JPG

    RCD's IMG_1830.JPG

    • Electro-tech
    • Media item
    • Comments: 0
    • Category: Electrical Videos
  20. E

    Are you replacing type AC RCD's with Type A?

    If you have a Type AC RCD at the D/board & decide to install an extra circuit or spur with a 13 Amp 2 Gang RCD Socket. Are the RCD sockets Type A now as I guess there are old stock AC types about ? According to this diagram co-ordination is vital.

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