lightning

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  1. V

    ELCB and Lightning

    Hi guys, i am from indonesia, i install CCTV system at Highway and the panel equipped with RCD i need to understand few question my RCD trip frequently ( in 1 month average 2-3 times)more whose if raining with thunder storm. info = RCD 40Amp, 0.1mA, earth resistance 0.5 Ohm. Q1 - Why...
    • Vmaxx Kingdom
    • Thread
    • aus elcb lightning
    • Replies: 13
    • Forum: Australia
  2. F

    Lightning protection

    Hi people I've been asked to price to test the lightning protection on a building in Liverpool. It has 18 testing points and is a flat accessible roof. I need someone to do this as I have no experience of this line of work and how much you would want for doing it? How long would it take? I will...
  3. M

    Jesus christ thank goodness lightning does strike the same place twice

    Just got my nice and handy copy of the 2011 on site guide. The whole section on spd protection was a bit over welming. I swear it's more important than an rcd, by the way they go on about it. I don't even think I've ever seen a lighting storm in this country. Is this a new selling point for...
  4. G

    Lightning Protection

    I have a seven storey office building built about 25 years ago in which an Ionisation lightning protection was installed. This consists of a radioactive material at the the top of the finial and a single down conductor through the atrium of the building. Several buildings here have this system...
  5. G

    Church Lightning Tape?

    Hi Guys A local church has had 4 mtrs cut off it's lightning tape (20mm x 3mm) from floor level up. My question is can a replacement length be installed and connected to the remaining tape and does any cert have to be issued? Kind Regards John
    • Griz80
    • Thread
    • aus church lightning tape
    • Replies: 5
    • Forum: Australia
  6. E

    PIR on a Church

    Hi guys and girls, Been asked to quote to carry out an inspection on a local church's electrical system, is there anything special to look out for? Haven't done anything on very old buildings, and would lightning protection come into it? Thanks in advance. Ed
  7. J

    House hit by Lightning (how much would Surge protectors help this issue ???)

    So im talking to a friend from the US and his house got hit by Lightning a couple of days ago and I was thinking that if he had surge protectors he wouldn't have lost 2 xboxs and a couple of other less important electics. But I was thinking that it's not the Voltage that does the damage but the...
  8. P

    lightning protection systems connecting pv to it

    any one advice on how i do it iv not done one before do i need to speak to designer too any advise be much appreciated
  9. B

    Lightning Conductor Training

    To test lightning conductors do i need to take additional training other that being a qualified 17th edition electrician? If so do you know what the course is? Thank you.
  10. P

    Lightning Protection Systems

    I have a client who is self controlling a new factory build, so there is no architect in charge. Knowing roughly what the LPS risk assessment involves, the building is of high risk of strike. Does anybody know if there is a (legal) requirement for an assessment to be done? Building control...
    • PeteC
    • Thread
    • canada lightning protection systems
    • Replies: 13
    • Forum: Canada
  11. 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...
  12. L

    testing of lightning protection system - advice please

    Hi all. Im an NIC registered self employed spark and Ive been asked by a contact of mine to test the lightning protection system at the local church. Ive researched this on the internet as Ive never done this and am I right in thinking you get an earthrod tester and test the system all...
  13. S

    Lightning Protection Noise on earth rod

    just been spammed with testing an installations Lightning protection system out in Afghan. was installed nearly a year agbo but the lad that installed it has now done one so i get the honour of testing it. it has two sets of cabins each with 8 earth pits around them, the rods are not linked...
    • sparky1690
    • Thread
    • aus earth earth rod lightning noise protection
    • Replies: 3
    • Forum: Australia
  14. S

    Lightning Protection Testing

    Hi all, Hope this is inthe right section, I have been asked to quote for testing the lightning protection on a small sized building, i have read about testing across the joints and needing to get a certain reading etc but other than that im not sure what is required. Is it that difficult a...
  15. J

    Lightning Protection Earthing Method?

    I am currently installing earth rods as lightning protection for shared satellite dish tv systems on blocks of flats. My query is do I have to install an earth rod for lightning protection or can I earth to the electrical supply? I'm pretty sure I should be able to earth to the supply but...
    • jimmycomeruk
    • Thread
    • aus earthing lightning method method? protection
    • Replies: 10
    • Forum: Australia
  16. P

    Lightning rod directly over aerial cables

    I've got a question for anyone who knows anything about lightning strikes & conductor rods: I live in a four storey council block (around 100 flats in building) in London. Recently the council hired contractors to install around 20 lightning conductors from the roof down to the ground (it's a...
  17. J

    lightning strikes..

    afternoon all, might be a silly question but here goes, my house got hit by lightning in june which destroyed our phone, router, melted the copper in an aerial socket connection upstairs and turned the computer and tv screen green for a few days! what i wanna know is should this have...
    • Jelj360
    • Thread
    • aus lightning
    • Replies: 2
    • Forum: Australia
  18. D

    Main Bonding to lightning conductors

    Hi all, New to this forum so I'll introduce myself as an electrician working for an NIC approved contractor in Sussex. Last week I did a PIR on a church and the only defect was a lack of main bonding to the lightning conductor. Bs 7671 lists this as a requirement but I cannot see why it is...
  19. T

    Lightning protection

    I am out in the desert with a lightning protection question that I am hoping someone can help me with. We try to adhere to 17th Edition rules and regs where possible. I haven't got my regs book with me so can't refer to that. I have a small installation that should be protected against...
  20. L

    Lightning protection using ESE air terminal

    Hi, I'm designing a lightning protection system for a building 125m height using ESE air terminal. As I known, the French standard NFC 17-102 is applicable to the lightning protection using ESE lightning conductors of common structures of less than 60m high. What standard applicable to the...
    • lilama45-1
    • Thread
    • canada lightning protection terminal using
    • Replies: 1
    • Forum: Canada

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