spd

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  1. M

    Advice needed On 18th edition boards. When do fit SPD boards?

    I’m An NICEIC DI. I haven’t got around to doing my 18th yet and I haven’t got the new literature. How do you determine if you need to fit an SPD board. Should I start fitting these on all my jobs now?
  2. B

    SPD requirements for additions and alterations.

    Hi Apologies if this has been covered. With the extension of the requirements for Surge Protection, I am unsure as to whether this is only for new installations and DB changes, or if the regulation also applies to alterations or additions in the same way as RCD protection. My thinking on...
  3. R

    New consumer unit on TT installation - earthing and SPD queries

    I'm going to replace the consumer unit for a customer in rural Oxfordshire. The supply comes in overhead, drops down a telegraph-type pole into the ground, and runs about 2m to a recessed box in the wall (perhaps coming up in the cavity). I can't find the earth rod - probably entirely...
  4. C

    SPD to cover whole site?

    Hi Guys, Having recently done my 18th, and various reading of SPD requirements, I feel that within the factory where I work (food industry), we should be using SPD's? We have an onsite transformer which we own, 11kV to 400v, which then splits after the meter to two main switch panels, which...
  5. I

    Another SPD question & groupin query

    In a domestic situation where dwelling would be used for air b & b would it still be classed as single dwelling? Would it be classed a comericial dwelling as people staying there and paying , also would there be requirement for surge protection , I Would assume so , as items in property value...
  6. C

    SPD risk assessment template

    I am due to carry out my first fuse board change under the 18th edition, i need a risk assessment template for SPD devices. and with regards to AFDD i am under the impression i just need to recommend it in the quotation.
  7. N

    SPD For Large Panels

    Has anyone got any knowledge of a decent SPD that I can retrofit onto large panels? Preferably I would like it to have its own enclosure and a set of VF contacts so that I can wire an audible alarm and light to them for ease of checking. I am struggling to find anything suitable. The USA...
  8. spud1

    Why are the two poles of the Hager SPD rated differently

    So I was installing a new split load Hager DB (with the integral SPD) and noticed that the SPD cartridges connected across the neutral and line poles of the SPD were rated differently. Is there a reason for these different ratings? Spud
  9. J

    SPD for dis board change in warehouse

    With upgrading a TPN dis board in a warehouse- i am guessing I need to fit a 4pole SPD even more so with 18th edition out I will be installing a hager 12way TPN board with a 4pole incomer kit. Technical Properties SPN415D -...
  10. bigspark17

    Spd & 18th..............,,,,,,

    So am i correct than reg 443.4 means unless we provide a risk assesment that states why we are not using a spd in consumer unit changes then we must fit one??
  11. 1Justin

    Best value fused switch plus 2 module type 2 SPD?

    Has anyone done this yet on a budget? I'm pricing a job to run a submain off a TN-S. I'll need a fused switch incorporating SPD alongside in the same enclosure. Price sensitive. Thinking of a budget Lewden off the shelf fused switch (in 4 module enclosure), ditching the enclosure and buying 6...
  12. mattg4321

    Surge protection devices (SPD)

    Hi guys, hopefully someones going to be able to point me in the right direction here. We do a lot of work for a small retirement home locally that has recently decided to fit lightning protection. We've pretty much been strong armed into fitting SPD's on behalf of the lightning firm (LF). Being...
  13. R

    Wylex Fuseboard SPD.

    I am about to install a new high integrity wylex fuseboard within a church which will require a combined type 1 & 2 SPD as the church has a lightning conductor system in place. Can anybody confirm the connections to this as it is placed within the fuseboard upstream of the main switch.
    • rattlehead85
    • Thread
    • fuse fuseboard spd wylex
    • Replies: 2
    • Forum: UK Electrical Forum
  14. B

    SPD in large switchgear

    I was assembling a large distribution unit today. Hager type with a 500A main switch. There are 10 x 100A MCCBs going to be installed The board, MCCBs etc came in a kit, which also had a surge protection device with it. The client did specify the nee for the SPD however the SPD itself has...
    • brizospark
    • Thread
    • aus large spd switch switchgear
    • Replies: 6
    • Forum: Australia
  15. G

    Combi Var Spd Trigger Goosed

    Alright, got a makita 18V, the BHP451 one, and the trigger seems to have gone to all or nothing, this happened to anyone else? had it over 2 years so think it's out of warranty. Does anyone know where i can get a replacement trigger? Or somewhere that fixes them. Cheers.
  16. J

    IR testing when SPD are in circuit.

    Hi not sure I have all the information on how to do a IR test in a circuit with surge protective devices in circuit all the information I have is to disconnect the SPD's and test at 500v dc or short out the SPD's and test between LN to cpc conductors at 250v dc

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