surge

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  1. O

    Recommend a surge protected extension lead

    Need a new surge protected extension, trying to avoid the merde on Amazon, can anyone recommend something decent? Have a belkin but they have used 5 one way clutch screws in the base to thwart repairability so they are off my list sadly...
  2. L

    Surge Protection

    A DNO supply fault this week resulted in damage to several electronic devices (audio equipment, chargers, appliances. USB ports sockets etc). My question relates to the best type of surge protection to negate the effects, not just of transient overvoltages, but of a prolonged overvoltage. It...
  3. N

    Better?: Canadian surge bar with UK Plugs paired wit

    Hi, I hope you are all doing well. I have original UK samsung, apple and Huawei plugs and would like to know which combination of plugging them into my Canadian outlets would be best in terms of Safety, Protection and Efficiency. Please suggest which option from below would be best? 1) Buying...
    • Nursemoe
    • Thread
    • adaptor adaptors better canadian outlet plugged plugs surge surge protector
    • Replies: 3
    • Forum: UK Electrical Forum
  4. A

    Surge Protection

    Hi, I recently upgraded my home panel to a Square D qo panel. I had a Siemens FS140 whole home surge protection installed in the first space on a 20 amp double pole breaker. I tend to lose power a lot and get surges from trees on the power lines when it rains. I have two square D HEPD 50 surge...
  5. L

    Advise on DC Surge Protection - SMA Core2

    I am in the midst of installing a 800kWp PV System. I have selected and ordered 6 nos. SMA Core 2 (12mppt x 2 strings) inverters which have inbuilt DC and AC SPDs as well as 1 isolator per 3 mppts. Need advise if I should use additional external SPDs / isolators per string. Also is anyone aware...
  6. B

    Surge protection cable length

    Hi all question regarding the length of surge protector cables. I have read the reg 534.4.8 that states that the length should not exceed 500mm. Is that for each conductor so every conductor should be 500mm or less. So with a 3 phase surge protector all 3 phases/neutral and earth should not...
  7. Designmen90

    Fuse for surge arrester protection

    Hello everyone, Is there any rule how to determine the size of fuses which will protect surge arrester. I have 3P+N surge arrester, 20kA, and I need to protect him with fuses. But, how to determine the correct size (amper) of those fuses. tnx
  8. 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...
  9. C

    Surge protection required?

    My full time job is a maintenance engineer, part time, I'm small domestic electrical work. In the factory where I work contractors are installing new circuits to a sub 3 phase board. Rcd has been installed after the breaker although I know you can buy rcbo's for this board. Nothing wrong here...
  10. B

    Whats the best way to add a surge protector to my machine?

    Hi , I have an asphalt testing machine and would like to add a surge protector to it. I have single phase 240 coming into a 40 amp main breaker on my machine. What size of surge protector should I get and how would I wire it to the machine?
  11. P

    surge install or not (farm)

    hi all, end of last year as part of some agri work we had to re supply some barns. changing nothing to their install individually but from an overhead to underground SWA. Another spark has been there to work on some new install in some offices. he has said to the tenant farmer that we should...
  12. A

    Fluke 6500-2 Surge Extension test

    Hello all, I am new to PAT testing and have a Fluke 6500-2. I am having an issue whereby I cannot seem to drop the voltage down to 250V when testing a surge protected extension lead. I have read in a couple of places that without a means of lowering it from 500V simply hit the IEC test button...
  13. N

    US Surge Protector trips RCD

    Hi everyone, I need some advice please. I have a number of 110v equipment from the US that I need to supply power to. When using a step down 240 to 110 transformer when I plug in the 110v power Strip with built in Surge protection it trips the RCD on my consumer unit. I read up on this a...
  14. D

    Surge protection Requirements

    Excuse the probably stupid question! I'm a bit out of date, so not yet up to speed on 18th edition. Been prepping for a domestic board change, but am confused about whether I need an SPD or not. Seeing as the majority of suppliers are selling their boards without the SPD, I'm assuming they're...
  15. 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...
  16. L

    UK Are surge protection devices fitted before or after the main switch

    Are surge protection devices fitted before or after the main switch
    • L1Jay1
    • Thread
    • after before devices fitted main main switch protection surge surge protection switch
    • Replies: 30
    • Forum: UK Electrical Forum
  17. A

    Which surge protector.

    I know about type 1 and type 2 surge protectors,and which one to use. But what criteria dictates the rated amperage of the device. Are there any parameters to consider, other than the load I am trying to protect. Information on these devices is hard to come by. Any help appreciated. Thanks
  18. T

    18th edition surge protection

    Hi, School premisses officer here, wanting some advice. Each year we have to have a fixed wiring test on the 6 circuits 3 lighting, 3 power on our swimming pool area. Fed from a 3 phase board. I follow the regs a bit and have a keen interest Due to budgeting I wanted to know if when we get...
  19. Marvo

    Surge Protection in Low Voltage Electrical Installations

    Marvo submitted a new resource: Surge Protection in Low Voltage Electrical Installations - Risk assessment analysis for South Africa Read more about this resource...
  20. N

    Surge protection

    Morning all, Quoting for a garage supply and I’m needing too add an additional 1 way board too supply it. Due to space in existing board. Is surge protection required for such a job if I don’t undertake the risk assessment? Or only required for board change and rewires? Thanks in advance

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