spd

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  1. Pat H

    SPD in a plastic consumer unit.

    Adding an EC charger and looking at options to include an SPD. The consumer unit is plastic (but in good condition) Options seem to be to add an SPD (with isolator and MCB) before the consumer unit. Or add an isolator before the EV charger with an SPD, isolator and MCB. Or can an SPD be added...
  2. I

    SPDs do i need to fit them?

    Hi, I'm installing a new circuit in domestic dwellings for various housing associations my question is do I need to fit an SPD or would it be the responsibility of the housing association, the circuit supplies equipment in the garden I'm running a 2.5 twin and earth through the house fed from...
  3. S

    Spd and certification

    When installing a new dB with an mcb protecting the spd do you class this as a circuit and include it on the test schedule at cct 1 for example? Thanks
  4. B

    Amd2 SPD on smoke alarms

    Quick question guys, if adding mains smoke alarms in a rental / domestic property's will we also need to provide SPD now. cheers all
  5. newfutile

    3 phase SPD MCB size

    Does anyone know what size cable to use for a MCG type 2 SPD (3 phase) and what MCB.the manufacturers instructions don’t state any values! also should i use 3 x single phase or a 3 phase MCB?
  6. 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
  7. I

    Surge - Commercial - When is an SPD required?

    Can anyone advise when SPDs are required to be installed on commercial properties? I'll always install them on a full rewire of a commercial property or if I need to install a new DB, I'll make sure to fit one with an SPD installed. What about if its a large store, 36 to 72 way existing board...
  8. 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...
  9. 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
  10. 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...
  11. Designmen90

    Backup fuse for SPD?

    Hi everyone , should there be a backup fuse for Q0.1-SPD and what size? Schematic is attached.
  12. 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...
  13. 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...
  14. 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...
  15. F

    SPD in RCBO board??????

    Can you fit an SPD to an RCBO board or are they mainly for RCD boards?
  16. 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
  17. 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...
  18. P

    commercial SPD

    what is the frequency for testing commercial SPD's, (office building) what is the cost to service them ?
  19. 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
  20. 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...
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