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spd

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  1. dodger421

    Inline Surge Protection?

    I've been asked about providing inline surge protection for the UPS supplies in numerous network cabinets around our factory and I'm hoping someone more experienced in this might have some suggestions. There are about 15 cabinets dotted around the factory containing various switches and routers...
  2. T

    Fitting off spd

    If you have 2 c/u s in a property and they want a spd do you need to put he in front off both ?
  3. D

    Explaining RCBO's, SPD's, AFDD's etc to customers

    Evening.. Just wondering if anyone has any links to an explanation of the above that a customer could understand, I'm getting a bit peed off trying to explain the benefits only to get a look back as if to say 'why is this salesman trying to rip me off'? Cheers
  4. A

    Contactum spd

    hi guys. Just wondering if i can ask for some advice. Looking at fitting a contactum spd in an existing board and the instructions say to fit the spd to the right of the main switch, but the previous electrician has not left a spare way there so was thinking of having the mcb and the spd on...
  5. C

    SPD Installation

    Hey guys, Came across a retro fit SPD today on a BG board. It was a dual split board and the MCB for the SPD was hanging off the end. I've not retro fitted an SPD but I would of though the MCB should be off the main switch at the head of the install? The blue book just says at the origin. I...
  6. A

    Polarity test failure on SPD extension leads

    Evening all, This has probably been answered somewhere here, but in case it hasn't... I have a Fluke 6500-2 and had trouble testing SPD extension leads as you cannot drop the voltage to 250V using the IEC lead test button. I found a way to set up an auto test sequence to include EB and 250V...
  7. cliffed

    Spd on Eaton Tpn

    just been handed this to fit to a TPN DB,have you seen anything so ridiculous,it’s a SPD, those cables are so short,
  8. E

    UK SPD and AFDD practical experience

    HI I am looking at a job where the CU needs an upgrade as its plastic and has no spare ways for the circuit I will be installing. Looking at giving customer options so will be quoting for metal CU, integral SPD and looking at combined RCBOs and AFDDs for each circuit, looking at the spec for...
  9. G

    Spd connection

    Hi need a bit of help! Not wired one of these before, it’s an spd type 2 that’s come with board (fuse box)! Question is does the line from the spd connect in same bus bar connection on main switch???
  10. T

    Axiom SPD consumer unit

    Hi everyone, hope everyone is doing amazing and getting through this crazy time We’re living through. So I want to see if I’m missing something here, axiom now have a 10 way dual RCD consumer unit With integral type 2SPD at a cost of £120. They also have a 12 way dual RCD high res consumer unit...
  11. T

    UK SPD OR NO SPD?

    Hi everyone , Only my second post and hoping to get some information on installing an SPD Type II incorporated within a new consumer unit upgrade I will be doing next week. With the new 18th edition regs I’ve been generally installing RCBO consumer units with integral SPD as standard . The...
  12. S

    Can I omit the SPD on this rewire? + Rant

    I'm about to rewire an empty house, with no electronic equipment or anything else plugged in or installed. Does this mean I can omit installing an SPD because the value of the equipment that could be damaged is less than the price of installing the device? "For all other cases, a risk...
  13. D

    SPD Question

    Hi Everyone. Sorry if this has come up time and time again. Soon to be installing a 3 phase submain and DB to very large garage with living annex above and lighting the external etc. (Domestic Dwelling). Trying to get my head around this SPD jargon. TNCS system, will i need to install a SPD...
  14. S

    UK Fitting an spd random question

    Morning all, I’m hoping someone could give me some advice on what’s the correct way or the done thing when fitting an spd. I’ll be fitting a new Hager 40 way consumer unit to my house following an extension and I’ve been out the loop a bit with the domestic side of things over the past few years...
  15. J

    Selection of MCB for SPD protection

    Hello, I need to install a type 1+2 SPD into the main panel of a small business building, which needs lightning protection. The main breaker in the main panel is a 4 poles 40A MCB. I was looking for a SPD and I found this: Schneider A9L16634. In the technical specification sheet it says...
  16. P

    Fitting a SPD to MK Consumer unit

    The consumer unit was only installed last year to 17th edition Amd 3 & now the customer wants a SPD fitted after a friends £2k TV got fried by a lightning strike. As MK do not make SPD, can you fit another brand of SPD in the consumer unit. I know the rule about mixing brands of MCB/RCBO in a...
  17. E

    Lightning protection in Africa

    I have a problem with lighting protection in a charity in Zambia. The earthing is TT, i.e. earth pits or rods are provided for almost every building. I have measured the resistance of these and some are half to one ohm. But others are 100 ohm which is is dreadful and we are redigging these...
  18. M

    Only 2 brands for domestic type A rcd/rcbo + type 2 spd in board??

    Looking around I'm wondering if I'm going mad. Would have thought type 2 spd next to main switch and type A (not type AC) rcd/rcbos would be the standard everyone should be looking for now (even if it's just recommended and not strictly required in domestics). But only Wylex and Schneider seem...
  19. R

    SPD Failure

    Came across this today. Could this damage & unit failure have been caused by a surge? Normally just see the panels go red but have never seen the burn marks.
  20. T

    Fitting SPD as standard

    Evening all Is anyone fitting surge as standard in domestic property’s? We are based down in Dorset which has 3 different flash density’s!! So I always base is on worse case with most of our stuff being in urban areas and always unable to confirm length of supply cable! My calc is usually...

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