bonding

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  1. M

    UK Earth bonding on a gas meter

    Evening all, new to the forum. I have a question regarding the location of the earth bonding clamp on a gas meter, I know it is supposed to be within 600mm of the gas meter but the problem is the CU is located in the kitchen in the rear of the property and the GM is located diagonally opposite...
  2. F

    Ireland ET101 earth bonding - mechanical protection

    Good morning, I'm looking for answers to these two questions about Ireland ET101 standards, since I can't seem to find specific indication: - Should the metal frame of a plasterboard wall /drywall positioned inside a room of a building be earthed as a main equipotential bonding? - Wirings...
    • fab.elec
    • Thread
    • bonding earth ireland mechanical protection roi
    • Replies: 10
    • Forum: Ireland
  3. J

    Bonding swa and the regs

    Hi guys got a few questions on the regs. Do we have to bond both sides of SWA cable if we are using a core for earth. And if so would it need a banjo and fly lead when going into a metal enclosure? Also does the fly lead back to the panel/CU have to be connected to the MET? Thank you guys
  4. T

    6mm water bonding on PME

    Hi all, I imagine that this has been asked a few times, but here goes. A customer who is selling their house has been on looking to change the consumer unit. Getting to the gas isnt a problem but the water is impossible without desctruction of some sort. Concrete floors, and the stopcock is on...
  5. A

    Structural steel bonding clamps

    Hello All, I am working on a kitchen extension which has 3 Universal Beams bolted together which sit on block-work. There is no direct connection to earth. However when tested it has a path to MET of 2kOhm. As a result I plan to bond this steelwork. The design of the room means these beams...
  6. J

    Industrial and supplementary bonding

    Hi guys I’m still working towards my NVQ level 3 in electrical maintenance within an industrial environment pumps and process equipment. I know this question may be a bit vague but I’m confused about supplementary bonding in my working environment. Here are a few of the things I’m confused...
  7. J

    Earth bonding metal balcony

    Last year I had a large cast-iron balcony constructed with steps down into my garden. The balcony is bolted into the walls and also into the pavement where it meets the garden. Is there a requirement to earth this? If so, should it be a separate 10mm CPC direct to the CU or could I link it to...
  8. D

    TL inverters And array frame bonding

    Hi again. Right, I am seeing very mixed reactions and comments about the below question, I am just hoping to find a basic answer and reference please. If you are installing a TL (fronius primo 3.6 in my case) to a domestic property, in the loft space with 16panels already installed on the...
  9. J

    Bonding steel conduit around plastic switch

    Any recommendations? I have 25mm steel conduit going into 20mm reducers feeding a plastic time guard switch and then returning to steel conduit again on the other side. An earthing nut is too chunky. I think I need those smaller flat brass plates you get on SWA cables. 1588093418 Found them -...
  10. M

    Clarification on gas bonding please

    Hi. Could someone please clarify bonding requirements for me please. I know requirements are to have a seperate 10mm earth bond conductor for water and gas or that these can be in one cable if looped between each other. I have been working in a couple of properties lately that are in residential...
  11. M

    Bonding combi boiler gas pipes

    From my understanding you need to run both a 10mm earth from CU to water stop clock and seperate 10mm to gas, exception being if cable is uncut can link both gas and water together. In a scenario where been asked to change consumer unit but getting to gas pipes of combi boiler is practically...
  12. J

    Supp bonding needed with RCD + testing supp bonding

    Hello there all, I'm a fairly newly qualified electrician and have been doing more and more EICRs lately, if someone could actually trawl through my long question and answer it then I shall be eternally grateful I have tested 3 electrical installations in the last week with no RCD devices, all...
  13. W

    Bonding Metal Railing

    Hi, I'm taking swa out of the shed and fitting it along a metal fence with metal fixing band. Swa goes into a wiska box then flex from the box to a light that's bolted to the metal fence. Circuit is protected by rcd. Does the fence need to be bonded at all? I'm guessing it's an extraneous...
  14. Pretty Mouth

    Why are main protective bonding conductors sized as they are

    Hi all. Hope you are all well and virus-free. This question is not how to select main protective bonding conductor sizes according to the regulations. That I understand how to do. What I am asking is: Why do the regulations require such a large CSA for Main Protective Bonding conductors...
  15. Q

    Max continuity reading for bonding

    Good evening I was always taught the gas and water bonds should have a continuity ideally with a maximum of 0.05 ohms, is this a exact maximum or a rule of thumb and if it was higher than this what coding would we give it? I had a look through the codebreakers booklet but could not bit see an...
  16. cliffed

    Sub main & bonding conductors

    Installing Swa 35MM 4 c,to new school block. This supply will come of a MPB,nearby,to me the supply to this MPB does not comply. Concern once again are the size of the bonding conductors realative to the the Main REC supply. The drawing we have,have no input on this, it’s a Tncs system,& earth...
  17. E

    UK Main Bonding Dilema

    Hi guys, just looking for a few thoughts on this one. This is a pretty big property with the gas meter situated in a small outhouse. There is no power in the the outhouse. The supply pipework comes out of the ground in copper into the meter. Then exits the meter in plastic and goes below...
  18. A

    Unable to locate water meter/stopcock

    Hello all, just want your opinion on something. I'm currently testing retail stores and I cannot locate the water meter/stopcock. There is a 10mn earth that goes into the ceiling from MET. I have went round with my R2 lead and am getting 0.03-0.04 in kitchen, toilet etc. Like I said no sign of...
  19. D

    UK Static/Tingle from shower/towel rad.

    Hi, working in a property a couple of years old. Earthing System is a TN-C-S. Customer’s daughter/wife have both complained about receiving a “slight tingle/static sensation” when using the shower in only one of the bathrooms (when touching the shower/or towel rad). I’ve checked the incoming...
  20. 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...

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