lightning | Page 4

lightning

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  1. J

    Lightning strike

    I got called out to a house that was hit by lightning and it has blown a lot of the appliances light fittings etc and i need to make a report for the insurance company can i put in the db change as it does not comply with current regs (old wylex type) and put it down as faulty? I ask because i...
  2. C

    client wants overkill on lightning protection

    client wants overkill on lightning protection. i undertstand that all of the top peaks of a building should be covered by this lightning tape and down into an earthrod but this clients architect wants top ridge covered ( understandable ) but then wants tape all along the gable roof zig zagging...
  3. C

    does anybody know where to get cheap lightning protection tape/cable?

    does anybody know where to get cheap lightning protection tape/cable? for 200m ive been quoted from £2,000 to £11,000 including clips, clamps and earth rods
  4. G

    Flue Stack Lightning Protection

    I have been told I need to provide lightning protection to a large flue stack which comes from the boiler into an exhaust fan and then up out the roof an sticks up an extra 4 meters out of a boiler room I have just wired but I'm not really sure about what's required. Does anyone have any...
  5. A

    Lightning conductor repair on a Church

    Its beyond my scope, so do ant of you fellas know who does such work in East Kent? A 10metre section of bare stranded copper has been nicked, this heads off into the heavens directly to the spire & its a long long way up.
  6. 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...
  7. 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...
  8. 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...
  9. 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...
  10. 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
  11. 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
  12. 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...
  13. 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
  14. 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.
  15. 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...
  16. 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...
  17. 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...
  18. 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...
  19. 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...
  20. 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...

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