• Welcome to the new forum. We're now hosted on ElectriciansForums.net rather than ElectriciansForums.co.uk - Chat about the forum upgrade by CLICKING HERE

Welcome to our Electrical Forum - We started out providing electrical advice just for the UK - But now we have specific advice for the USA too! - Register for free and share American Electrical Advice.

surge

  1. spud1

    Surge Protection for off peak DB too?

    Hi guys, So I have a domestic scenario where off peak E7 storage heating is installed. Client has asked for a DB upgrade and has opted for surge protection. Currently they have separate ON and OFF peak Wylex fuse boards tailed individually from the origin, the meter is 2 metres away. If I...
  2. a-z electrics

    Surge Protection Devices for domestic - what do you think?

    Evening all, Just attended elex exeter and see there's a big push on these SPDs coming as standard now in domestic consumer units. Hager, Lewden and Contactum to name just 3. I have had at least 2 clients in the last few months whose appliances have been damaged by apparently surges on the...
  3. kingeri

    Domestic Surge protected FCU ...

    So I have been asked to provide surge protection to a group of sockets in a PC area within a house. The sockets (7 doubles) are presently supplied from an FCU off the ring final. An easy solution would be to replace the FCU with one with surge protection built in. Problem is, they don't seem...
  4. spud1

    To Surge protect or not Surge protect that is the Question!

    Hi, A wholesaler tried to tell me that Surge protection is now a requirement in DBs under 18th Regs today. Im pretty sure thats rubbish but just wanted to put it out there. I know alots been added on SP in the new Regs but Im pretty sure its still only risk assessment driven and not a...
  5. J

    Advice on surge protection

    I've got a fair bit of computer equipment at home which I need to protect as best I can. I use surge-protected extensions and these have been needed a couple of times. At least I think they have, the warning lights have come on, presumably because they've diverted a surge once too often. Is it...
  6. multimick

    extension leads with surge adaptors

    don't do much pa testing but noticed a couple of times these show reverse polarity on my megger pat 120 ,but test the pins for continuity and its ok on neutral and earth but no continuity on line,they all work ok ,is the electronics causing problems ?
  7. W

    Surge in houses ? Protection what

    hello I’ve been to a house where the lady is complaining her lamps keep blowing (yes they are cheap filament and halogen lamps that I’d normally say is the cause but I’ve also been a few doors down for the same problem from that family. The circuit tests fine and voltages and connections are...
  8. M

    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...
  9. Pete999

    Surge Protection Devices (SPDs)

    I used to fit these as a matter of course on my of the installations I did overseas, and understand that you can now get them to fit into a C/U if I'm not mistaken. Mrs Pete999 has been whinging about getting one fitted, now I want to fit one for whole house protection, not sure of what to get...
  10. J

    Need help regarding surge protection

    Hi there, I have recently had an issue where there was a power cut in the village we found out that a pylon had blown. When the power came back on it caused a surge around two properties that we own in the village causing the circuit boards on our boiler to blow and the till and boiler in our...
  11. L

    2013 Grenfell Power Surge

    Just been doing a bit of reading about the Grenfell tragedy. There are a few articles that mention an series of "Power Surges" in 2013 and briefly put it down to "Faulty Electrics in the building". What type of fault would cause this type of thing to happen? I always thought surges were very...
  12. TopDMC

    4 blown LED GU10s

    My daughter switched her bathroom lights on yesterday and the bathroom remained in darkness. I went over to have a look just now, assuming a fuse; but not the case. All four had blown together! Fittings are 4 x Aurora GU10 IP65 Fire Rated Bathroom LED Downlights Bulbs are FEIT...
  13. GMES

    Furse Surge Protection

    GMES submitted a new resource: Furse surge protection - Installation diagrams for various earthing systems Read more about this resource...
  14. yellowvanman

    PA Testing surge protection extension lead

    Try not to do PA Testing but had to do it today! Was doing the above today after a cottage got flooded. Lead didn't appear to be wet, but failed the insulation test @ 0.7Mohms, this was at a test voltage of 250V. Re-tried it with my installation tester at 100V and 50V and got the same...
  15. V

    Domestic Callout Today on a TT Install tripping RCD

    I got called out this evening to a tripping RCD on a TT install after a lightening strike in the area. Its quite an old CU with mcb's and a standalone 100ma RCD on the tails between the supply and the 100A DP main switch on the board. The RCD would switch on but as soon as the CU main switch is...
  16. P

    How surge protectors work

    I'm moving to France and I've been reading up on putting French plugs on UK appliances and I noted that it is not uncommon for the live and neutrals to be switched on sockets. I also read that power surges are more frequent here and surge protectors are a good idea for sensitive equipment...
  17. M

    Automatic transfer switch surge protector blown!

    Hi all I installed an 80kVa diesel generator set with automatic transfer switch awhile ago. All supplied by customer. Generator is second hand at 50 hours work and it turns out the ATS is too. All has been working fine for the last 6 months or so but recently the generator has been struggling...
  18. G

    3 phase surge protection

    I have a job coming up regarding the title, installing a surge protection unit to a main mccb panel, as far as I'm aware currently is that I will be using a spare way on the mccb panel to supply the surge unit, but that is as much information that I currently have, Anyone have similar...
  19. P

    impulse withstand voltage

    Can anyone tell me what the minimum impulse withstand voltage is for a 500AMP BS88 fuse. I can only find up to 400A. Please only reply with the answer and not any rhetorical questions please. This is concerning surge protection devices. Thanks.
  20. B

    Domestic surge protection

    Hi all what is the requirement for surge protection in a dwelling if rewiring or upgrading nowadays have not touched domestic for a long time and wondered what is required to comply with bs 7671 on his now?
Electrical Insurance
ElectriciansForums.net (formerly known as ElectriciansForums.co.uk) was setup in April 2006 to provide free electrical advice to both professional and DIY electricians. Whether seeking advice for auto electrics, trying to find electrical installation condition reports (EICR) form downloads, or whether you're here just to talk to other electricians; we've been a first-choice website for tens of thousands of sparkies for well over a decade.
Top