spd

  1. I

    will SPD protection now have to be added for an addition to an existing circuit

    can any one clarify if a SPD will now need to be installed when making an addition to a existing circuit? many thanks
  2. B

    Sources for SPD RCBO type A boards.

    Hi all, With Amendment 2 here has anyone found any good suppliers for SPD and RCBO domestic boards? I've found online a BG SPD + 8 RCBOs for about £190 which is about £40 cheaper than the local wholesaler. Are there any better deals out there for decent boards (I've seen 'Live' offering online...
  3. T

    Verso spd location on the din rail

    On the verso cu wiring diagram the spd is not after the main switch? Does the spd not have to be upstream of the rcbos
  4. C

    Amendment 2 new circuit SPD?

    So I need to add a new circuit, I was going to do it to amendment 2.. Its a commercial property and will be adding a new circuit for a defibrillator cabinet and associated accessories (lights)... There is a decent enough 3 phase board in place, but there is no SPD.. Obviously if we add a new...
  5. Designmen90

    Backup fuse for SPD?

    Hi everyone , should there be a backup fuse for Q0.1-SPD and what size? Schematic is attached.
  6. K

    Which Type 2 SPD (preferably without the need for separate MCB) will Fit inti ClipSal CU

    Hello, I have a Clipsal consumer unit with two "ways" unused and blanked off and potentially a third available as the Proteus Geyer B16 MCB is labelled as "spare". This consumer unit only contains the main double pole isolator and MCB's. Please see the below photo. I am getting an EV charge...
  7. G

    Meter Isolator with SPD

    Hi We are looking to get an EV charger installed, and I asked for an SPD to be on the new CU that will be required for that. The electrician has suggested that instead of having an SPD in the new CU, could replace the incoming isolator in the meter cupboard with one that has an SPD incorporated...
  8. Pobble

    Considering adding SPD and AFDD to my 17th Edition compliant CU

    Am I on the right lines, I ask? I've just recently moved into this house which is nicely equipped with a large 15 circuit CU unit with a split load x2 RCD's but first, I think an EICR would be a good idea to give a starting point reference at least, before any work is done I'm considering having...
  9. F

    SPD in RCBO board??????

    Can you fit an SPD to an RCBO board or are they mainly for RCD boards?
  10. S

    Whats in an SPD?

    Hi. Wondering whats in an SPD that makes such a price difference between manufacturers? For instance a British General single pole SPD retails for about £20. Wylex £60+ Do they work to the same standard like RCD's? Any way of testing them? Thanks S
  11. J

    Client refusing spd

    Got a customer refusing to pay additional for an spd, its in luton which i believe is known for lightning strikes . Customer just wants me to install new standard bg board. Normally, i wouldn't make a fuss, but because its in a lightning zone, im thinking if its mandatory. Or could i put it...
  12. P

    commercial SPD

    what is the frequency for testing commercial SPD's, (office building) what is the cost to service them ?
  13. S

    SPD protection commercial and industrial

    Hi Trying to sort an argument here, am I right in saying that ALL work including altering existing circuits in commercial and industrial installations requires SPD protection unless a risk assessment is completed. The only exception would be a direct replacement for maintenance purposes? Thanks
  14. Gavin John Hyde

    Kewtech KT66DL SPD testing

    I bought the new Kewtech MFT - I wasn't expecting it until July. It arrived today so getting to grips with it. Not too different from the kt63 plus woth display. I have the kt64dl too. It has a function for SPD testing. Im not quite sure what it tells you though? Its called SPD varistor test...
  15. J

    SPD in commercial offices

    Surge protection is now semi-mandatory in domestic (there are get out clauses). Is SPD mandatory, or semi-mandatory, in commercial offices?
  16. N

    SPD Consumer unit

    I recently had an SPD consumer unit fitted, twice now when I have been using the electric shower, power has been cut for a few seconds then comes back on. I don't think it's a problem with the shower as the light on the ceiling pull cord goes out as well. Any ideas, so I am pre-armed when I...
  17. J

    Type 1 SPD at Mains Intake Advice Please on a TNCS

    Hi Have done some additions to an existing multibuilding non domestic site. I noticed no SPD on the mains intake side, they are in a reasonably high lightning strike area. So suggested they should have one. Did some research and was going to use the Hagar SPA4501 along with the metal IU4...
  18. J

    SPD Fitting Cable Advice please

    Going to be fitting a three phase SPG at the origin of a supply. I have solid coper standard 25mm tales that come out of the head into an isolator and then fine stranded 25mm single insulated cables that run from the isolator, within flexible conduit to the Dis boards. They have used a crimp...
  19. gazdkw82

    Spd specifications

    Iv been tasked with upgrading a 16th edition board with a schneider 6 + 8 way acti9 board with spd protection. SPD was specified for me so I dont have to perform the calculation, however, I am stuck with the specifics of the devices themselves. Firstly, can the device hang of the back of an...
  20. E

    EICR no SPD &LPS Enquiry

    Hi Guys, Recent EICR carried out at a Church & Hall. Would you code no SPD present at Supply origin & should the Lightning Protection System be connected to the Main Earthing Terminal via another SPD.

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