bonding

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  1. T

    Bonding question

    Alright folks, Looking for a bit of advice with supplementary bonding - pictures attached for context. Bit of background - I'm in the process of repairing some metal bollards: I decided the best option was to rip out the old guts which comprised of some old fluorescents complete with all the...
  2. R

    Gas bonding

    Hi guys just wondering what peoples thought is on this. I was out looking at a job today and noticed the main gas pipe is not bonded at the meter but has a 10mm earth at the boiler is this a code c2, c3 or nothing?
    • Ruairi Hansen
    • Thread
    • boiler bonding electrical work gas looking meter noticed question questions quick regarding testing today
    • Replies: 20
    • Forum: UK Electrical Forum
  3. W

    Moving equipotential bonding, Minor works>

    Hi, I was having an disagreement with a work mate, a client has been told that their bonding (gas) is in the wrong place, (it is). This is the only job we have to do there and obviously after moving it and carrying out the required continuity tests, would you issue a minor works certificate...
    • wrighty8892
    • Thread
    • bonding equipotential minor moving works
    • Replies: 9
    • Forum: UK Electrical Forum
  4. L

    UK Static bonding of flour pipes

    Hi All Looking for advice if anybody’s got any knowledge on static electricity. been asked to bond flour pipes at work Do you take it back to the nearest panel or take it to a earth spike ?
  5. K

    Earthing and Bonding question

    I need someone to enlighten me about Earthing and Bonding. We've just completed the construction of four Fabricated Steel Bay Structures with a total of 354 Stansions 102 Beams, all connected to the Porlins, the place is to be used to seat 120,000 persons. I am not in doubt of the importance...
    • KINGSLEY
    • Thread
    • bonding completed construction earthing question someone steel we've
    • Replies: 5
    • Forum: UK Electrical Forum
  6. T

    Main bonding to water question

    Hi folks, Just wanted to check and see if bonding is required in this situation: There's no bond to water pipework, bond to gas all present and correct There is a piece of plastic pipe at the point where the water enters the building, probably around 100mm in length There is then a mix of...
  7. G

    2.5mm or 4mm SWA armour bonding

    Armour not CPC. By the letter of the regs 2.5mm is acceptable as the DB offers both mehanical and corrosion protection. Just seems a bit puny on a 10mm SWA, what about a much larger cable? Can some of the boffins explain why 2.5mm is deemed acceptable. Cheers
  8. A

    Earthing and bonding new build

    Hi guys bit of advice needed to save me some time and money. Earthing and bonding required in new build property. 10mm earth to be ran to gas meter to clip to gas pipe that will enter property. This gas pipe then goes to a combi boiler where I will bond all pipes at combi to the gas pipe (gas...
  9. Mark42

    Bonding metallic back boxes. Best practice?

    Something about the way this box is bonded feels wrong. I prefer the box to remain bonded even with the accessory removed. Is this method compliant? What do others think? (Ignore missing grommet) (Taylor Wimpey new build)
  10. L

    Gas Bonding Conductor in 20mm conduit

    The scenario, Property has no bonding to gas meter. There is a 4mm T+E radial from the DB to an outside socket which is located 300mm from the gas meter (external meter). The 4mm T+E is housed in 20mm plastic conduit running along the external wall. To prevent things looking a complete mess...
    • Luke238
    • Thread
    • bonding conductor conduit gas
    • Replies: 18
    • Forum: UK Electrical Forum
  11. driverman

    Additional supplementary bonding

    Ok new house. New install cert issued. However, no supplementary bonding that I can see and accessible . There is a 10mm earth wire connected above the water stop cock point of entry under the kitchen sink. However, no cross bonding to the hot pipe. According to install cert the cross bonding...
  12. B

    Bonding Cast Iron Pipe

    Hello. The toilet is connected into a cast iron waste/soil pipe O.D. 150mm. Apparently, this is an extraneous conductive part and is thus supposed to have a main protective bonding conductor connected back to the MET. There is a bonding clamp for 150mm O.D. pipes available. However, the pipe...
  13. M

    Earth bonding for meters

    Hi, I am just after some advice. I am having new meters fitted and been told they need to be earth bonded? I've attached a photo as my friend thinks this has been done but I need to know before I book an electrician, so any help is appreciated, thank you
  14. newfutile

    supplementary bonding

    we are allowed to omit supplementary bonding on the 3 conditions (rcd, disconnection times and main bonding adequate ) if we have a plastic insert we may omit main bonding on water for example. would supplementary bonding have to be added as it no longer has main bonding ?
  15. Soulcraft Electric

    BISF (British Iron and Steel Federation) prefab houses and main bonding

    Carried out a couple of EICRs on BISF prefabs and on both there is no main bonding to the steel frame of the building. My scheme technical helpline advised that main bonding was not required. Just wondered what people's thoughts are here? These are NOT pictures of the actual lofts (the roof...
  16. S

    Industrial gas supply bonding.

    I've got to earth a new 50mm steel gas pipe. The pipe fitter didn't fit an earth stud to it and now he's gone. Am I just looking at a large earth strap or something else? Any ideas are welcome?
    • Steve Bittlestone
    • Thread
    • bonding gas industrial supply
    • Replies: 12
    • Forum: Electrician Forum
  17. C

    Parallel generator, earthing and bonding

    Hello, can anyone advise on bonding of extraneous conductive parts when supply is from a generator run parallel with distribution network? There'll b a 200kva generator supplying spray booths that have a gas supply to them. The metal pipes aren't underground but connect to tanks outside sitting...
  18. M

    Gas Bonding to MET or consumer unit

    sorry if this has been covered but I cannot find answers - 1st floor flat TNS supply from basement - the water is bonded at the stop cock within the flat to the consumer unit . The Gas enters in 2 places for cooker and boiler . Some "brightspark" has earthed this via a rod at the meter - does...
    • Martin58
    • Thread
    • bonding consumer consumer unit gas unit
    • Replies: 1
    • Forum: The Welcome Forum
  19. D

    Gas meter earth bonding

    When running the 10mm Main Protective bonding to the Gas in a semi recessed gas meter box, how do you enter the box with the cable? The reason I am asking is: 1) The pipe sleeve for the gas pipe can not contain the earth as it is not 25mm separation. (yes I know it will attach to the pipe...
  20. Marcus Vaughan

    BS951 Bonding Clamp on the Incoming Supply

    Hi all, Just been to look at a job for a consumer unit changeout, checked the supply and, Not sure you can see it too well but TNS system with older earthing conductor in green kind of sweated onto intake (connection does not feel too good), but disconnected at the other end (goes into that...

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