surge

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  1. 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...
  2. M

    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 ?
  3. A

    3 phase surge protection

    Online aldo95EF Member Hi there. I’m looking for some help on how to wire up a SPD for a 3 phase machine. I’ve been told by the company that supplied the machine that the SPD must not be any further than 10 meters away from the machine. The SPD connections are—- L1 L2 L3 N at the top and...
    • aldo95
    • Thread
    • 3 phase phase protection surge surge protection
    • Replies: 8
    • Forum: UK Electrical Forum
  4. 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...
  5. 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...
  6. p=iv

    Lost neutral and surge protectors (TN-C-S)

    Would a surge protector (on an RCD) circuit protect from a lost neutral overvoltage? I know that isn't the aim of them (transient spikes only rather than sustained overvoltage) but I am thinking it may be possible (although very alarming if there isn't a thermal fuse in the surge protector)...
  7. 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...
  8. 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...
    • Jay_1985
    • Thread
    • need help protection regarding surge surge protection
    • Replies: 7
    • Forum: UK Electrical Forum
  9. 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...
  10. Pete999

    Pete's Videos George the surge protector guy

  11. G

    Surge Protection Device question

    I am busy doing some work with a local contractor to get some up to date hands on experience. whilst doing a EICR today i come across a CU with SPD in. The property is a recently built 5th floor flat about to be let on a new tenancy and meets the criteria for requiring a SPD. The whole set up is...
  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. G

    Furse Surge Protection

    GMES submitted a new resource: Furse surge protection - Installation diagrams for various earthing systems Read more about this resource...
  14. michaelw6

    Machines and motors 3 phase. can someone help me with my calculations please.

    Hello guys, and girls. Here's the issue! I am installing a new milling machine into a factory, the machine is specked at 32a 3 phase. more info suggests its a 7kva machine with a 75a surge and 20kva. so Ive calculated its basically a 5.6kw 10.64a running and 16kw 30a surge. thus the 32a mcb...
    • michaelw6
    • Thread
    • 3 phase cable calculations machine machines motor motors phase please rating someone surge
    • Replies: 20
    • Forum: Electrician Talk
  15. A

    Surge Protection Device

    Can anyone tell me if its a requirement to install a surge protection device to a sub Distribution Board if it serves external equipment ie a roof mounted extract fan even though a SPD is located on the Main Panel? Sent from my iPhone using Tapatalk
    • atm84
    • Thread
    • device protection surge surge protection
    • Replies: 3
    • Forum: UK Electrical Forum
  16. Y

    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...
    • yellowvanman
    • Thread
    • extension extension lead insulation lead possibly protection surge surge protection testing today voltage
    • Replies: 3
    • Forum: Electrical Testing & PAT Testing Forum
  17. V

    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...
    • Vitesse
    • Thread
    • install neutral rcd surge switch today tripping tripping rcd
    • Replies: 22
    • Forum: UK Electrical Forum
  18. 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...
    • paul_uk
    • Thread
    • electrical work french neutral not uk protection surge work
    • Replies: 4
    • Forum: UK Electrical Forum
  19. V

    Domestic surge/lightning protection

    Please excuse me if this is a silly question, but it's a subject I don't have a great deal of knowledge on.... I'm currently in the process of a the second fix stage of a rather remote domestic new build in the middle of Bodmin moor. Like a lot of installs now it involves a air heat source unit...
  20. L

    Surge protection

    Guys Looking for some advice on applying some surge protection on a farm. It appears a pump is the only item of kit that gets damaged when there is a spike/surge, so I am looking for a switch fused spur or something similar that has integral surge protection rather than a plug in device...
    • lurch
    • Thread
    • protection surge surge protection
    • Replies: 13
    • Forum: Electrician Talk

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