surge protection

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  1. D

    Surge Protection Devices

    Hi guys. Who knows where i can get a simple explanation of these devices and how to use them. Yes i have looked at the big green book [ sec 443 ] and i am struggling. Reg 443.2.1 says that if no overhead lines supply an installation then no additional protection [S.P.D.] is needed as long as...
  2. Jimmy Boy

    Surge Protection devices

    Hi lads tried a quick search nothing came up, hope you can help, the IT dept has asked me if it is feasible to fit an SPD in the tails before the CU to protect the whole building against V spikes, anyone have experience of knowledge of these ? Thanks Lads J
  3. prospark

    surge protection or not

    1/.please can anyone clarify whether it is now mandatory to install surge protection devices in domestic installations for new installations and or rewires. 2/.Also is it correct that if a lightening protection system is in place you need both type 1 and type 2 surge protection ?
  4. D

    Surge protection

    I would like to know do you have to fit anti surge protection on solar pv on the AC and DC side to commerical installations
  5. D

    Type 1 Surge Protection - Second opinion required

    Hello chaps, With the advent of amendment 1 and Surge Protection playing a big part now I need a second opinion on a job I'm quoting for at the moment. I'll admit my experience with these devices is zero apart from the usual Type 3's that are common place now in homes. I am rewiring a church...
  6. D

    Surge Protection for Church

    Hi All, Can anyone suggest a wholeseller that sells Type 1 SPD's? I have tried all my usual places but cannot find anything other than the usual plug in type. I am quoting for a rewire of a Church, which obviously has a lightning conductor in the spire so it definately needs an SPD, but I...
  7. W

    Surge protection?

    Hi Apart from the usual protection devices mcb's, rcd's, string fuses, etc are any of you fitting spd's to the a/c and d/c circuits, especially on large installs? Cheers
  8. W

    2391 questions regarding surge protection devices

    Hello, I would be grateful if anyone could check my answers for those two questions and see if it's correct or not? State the a) tests for insulation resistance to be undertaken on a 230V circuit containing surge protection devices which cannot be disconnected Test between L-E, L-N and L-N b)...
  9. M

    Surge protection

    Me: Hi, can I have price for a 12 way board with surge protection please. Edmunsons: Errrm, hang on I will just check....... No we dont have one. Me: Okay, what about a stand alone one I can use up front? Edmunsons: We dont have any, never been asked for them. Me: Really? Okay I will...
    • Mark_Burgess
    • Thread
    • aus electricians' talk protection surge surge protection
    • Replies: 8
    • Forum: Australia
  10. 4

    domestic surge protection

    done a job lately for nedl, 200 houses in gateshead had a 500v power surge cos some thieving scrote robbed some copper from a sub that feeds the houses. people lost tv, computers, phone chargers, boilers etc anything with a circuit board. As we were testing the houses prior to the power going...
    • 4x4 mark
    • Thread
    • class domestic electricians' talk protection surge surge protection where
    • Replies: 7
    • Forum: Domestic Electrician Forum
  11. E

    Solar PV Surge Protection

    Hello This is my first post, I am hoping someone can help. I am aware that we need surge protectors/string controllers for large solar pv systems, however I have been informed that for any install over 3.78kWp we need them. Does this sound correct? I know there is quite a lot of confusion...
    • edandrews
    • Thread
    • electricians' talk protection solar solar pv someone string surge surge protection systems
    • Replies: 1
    • Forum: Solar PV Forum | Solar Panels Forum
  12. Rockingit

    Surge Protection

    OK, so ammendment 1...surge protection.... whatever the thoughts are, it's here, unlikely to go soon, so let's just all be big boys and get on with it. Sooo.....that being said; I understand what it does, what it's meant for, have read the regs..... what does it actually look like in practice...
    • Rockingit
    • Thread
    • aus electricians' talk protection surge surge protection
    • Replies: 1
    • Forum: Australia
  13. sibbits

    Surge protection on portable chiller

    i have been asked to install some kind of surge protection on a portable chiller it hase recently been subjected to some mains failures and is blowing internal fuses is three phase 32a an is about 11 kw im a bit stuck help:banghead:
  14. I

    Surge Protection

    Hey all, I came accross a video by tony cable and co breifly explaining surge protection protection and the requirements with the new regs amendment. It detailed the main cause of surges as being lightning strikes and Switching Electromagnetic Pulses (SEMPs) - man made; and how they can damage...
    • Infamous
    • Thread
    • aus electricians' talk protection surge surge protection
    • Replies: 1
    • Forum: Australia
  15. L

    testing an extension lead with surge protection

    Just been doing some testing today including 6 brand new extension leads, first two tested ok 3rd one failed with low insulation resistance of around 0.250m ohms. It was then i noticed that this one had surge protection. Can anyone please explain why this would cause these results and how to get...
    • lish70
    • Thread
    • around electricians' talk extension extension lead lead leads protection still surge surge protection testing
    • Replies: 4
    • Forum: Electrical Testing & PAT Testing Forum
  16. P

    dc surge protection

    What are peoples experience on adding the additional class II surge protection to transformerless inverters? Particuarly the sunny tripower range? Are people finding that this is becoming a regular requirement for their installs? I have seen a guideline regarding surge protection being...
  17. C

    Surge Protection from lighting strikes

    Hi, I have been asked by a potential customer about this issue. Is it worth fitting surge protection on a domestic PV system? Apologies if the answer to this is obvious!!
  18. D

    Lightning surge protection.

    Hi all. I've been asked to go back to a job and install lightning surge protection, its not something I've been involved with before. They're asking for a type 1 SPD that can handle 12.5ka? My usual suppliers don't do them, anybody know the best place to source them from. I think I will need...
    • drew35
    • Thread
    • electricians' talk lightning protection surge surge protection
    • Replies: 2
    • Forum: Talk Electrician Forum
  19. N

    Surge Protection

    Hi, has anyone fitted or can recommend a surge protection device for either side of the inverter? I've an install coming up on a property that is in a remote rural location, the customer has told me that he has had electrical equipment damaged twice in the last few years due to lightning. As...
  20. S

    RCD Tripping and Surge protection devices

    Has anyone come across surge protection devices being the source of an RCD trip at consumer unit ?
    • SIMBO
    • Thread
    • against aus cause class devices electricians' talk protect protection rcd rcd tripping surge surge protection tripping
    • Replies: 10
    • Forum: Australia
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