earth

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  1. H

    Water mains earthing

    Hi. Currently my water supply is via a lead pipe which has an earth fixing point (boxed in so is inaccessible) just above the stop cock. I plan to relocate where the mains water enters the house, and will be using a Philmac Universal Transition Coupling to join the existing lead pipe to new...
  2. EricMark

    UPS - Earth - RCD what is required, and testing?

    CAUTION! The UPS must be connected to a grounded AC power outlet with fuse or circuit breaker protection. DO NOT plug the UPS into an outlet that is not grounded. If you need to de-energize this equipment, turn off and unplug the UPS. I read this as meaning an earth rod is required, as the...
  3. T

    Main Earth bond with remote meter

    Had a couple of run ins with gas fitters in recent times, y'know those guys known to chop bonding off and fling it away if it's in their way in the not so recent past... but suddenly if theres not an earth clamp <600mm from the gas meter you've got gas fitter histrionics One recent one I'd...
  4. S

    Earth tag requirement

    My rental property was deemed non-compliant with electrical code because the earth stake wasn't labelled as per 5.5.1.3. 5.5.1.3 also says "Exception: Where the method of connection to the electrode precludes disconnection, this requirement need not apply." In my case, there is a dedicated...
  5. E

    Earth Bonding

    Yes, I know its a much discussed issue, but I would be obliged if someone could explain to me why a copper water pipe entering the building which has a metal stopcock fitted 2 inches above the floor level which is located under the kickboard of a kitchen unit with the outgoing pipework in...
  6. J

    UK DIY 2-plate 2-way Garage Lighting, feed through 3 core and earth?

    Hello, Would welcome thoughts/advice on wiring query below. Apologies for a possibly excessive amount of detail, wanted to provide as much info to aid understanding. I will post photos, can't see the button to upload them immediately. Context: Damp 2x car garage - insulation underway to...
  7. P

    When is an earth rod required for outbuildings?

    Hi guys, I’m still reading up on GN8 slowly, and haven’t quite got to the earth rod for outbuildings section yet I haven’t checked if they even cover that… I know earth rods or using structural steel is needed for TT systems when DNO doesn’t provide it, but when is it needed in non TT...
  8. G

    UK TT Earth Rod Submerged then Freezing

    Hi All, This is my first (as house holder, not electrical professional) experience of an earth rod. We have just had a TT ‘island’ install of a hot tub supply. All is fine, but the recent large amount of rain has lead to the installed earth pit flooding with the entire top of the rod and...
  9. S

    Earth Rod cable CSA

    Hello All, I'm in UK, and I'm after some info to help a family member in Ireland. They've been advised that the cable to their earth rod needs to be upgraded as it's apparently too small. Want to reassure them this is really needed before they pay for it to be done. I'm used to what BS7671...
    • Stanro
    • Thread
    • cable csa earth earth rod is10101
    • Replies: 3
    • Forum: Ireland
  10. K

    generator wiring and earth

    I have an old Electric Construction generator. There are no markings for the wiring. Putting a meter over the 2 terminals i get 240 volts but connecting the earth comes up with an error connecting to the garage. There is 110 volts between neutral and earth. Should the neutral be connected to...
  11. HappyHippyDad

    Are singles the same as the conductors within twin and earth, just with the grey outer removed?

    I vaguely remember a thread in which someone said they had removed the grey outer on twin and earth, so they could run the line and neutral as singles in conduit. I also vaguely remember Davesparks (missed member!) explaining why this wasn't OK, but I can't remember why? Are singles (designed...
  12. S

    Borrowed earth

    I have found that the garage light is on some original 2 wire from the 1970s. I could change the fitting to a class 2 but would like to know why I cannot borrow an earth from the nearby ringmain with 4mm. All domestic earths are bonded together independent of MCBs or RCBOs, so there cannot be...
  13. L

    UK Low voltage from live to earth, on a ring final.

    Why do I only get 50v from live and earth, I’m getting 240 from live to neutral. The circuit is a ring.
  14. rileym2024

    Can i run Twin & Earth outside under the edge of my house?

    I want to get power into my shed. I was wondering if i could run the twin and earth under the edge(lip) of my house and then bury it along my garden and then into my shed so the cable would only be exposed about 10m or so. Please let me know. Many thanks.
  15. O

    dangers associated with wiring earth to neutral in the consumer unit?

    First time on here.... :) Looking for your thoughts on my situation plz. I've a small apartment in Spain and recently discovered there is no earth in the building, which I'm nervous about. Firstly I purchased individual socket rcd's and put one in all 12 sockets. Don't even know if this is...
  16. C

    Class 1 with no earth?

    Hi, I'm new to this so apologies if the answer is obvious! I'm PAT testing a coffee machine as a class 1 as there's nothing on the label to suggest it's a class 2 but when I test it, it says "no earth". Why could this be?
  17. D

    UK Swa as main earth ?!?

    So I have turned up on a job… someone previously has installed a 120mm 2 core swa from the meter to a barn building 160m away and them split off for the house and barn building in 25mm tails and have used the armour on the swa as the main earth. Both ends of the swa have been terminated badly...
  18. holmestm

    Should the armour of an SWA carrying twin and earth cables also be earthed (with banjos etc)

    I have an existing installation extended in 2015. The existing cable had 3 cores and used the armour as earth, with connections soldered onto the SWA gland where required (e.g. in external sockets). At the point the extension was added the contractor took the armoured earth and connected it to...
    • holmestm
    • Thread
    • and earth armour cables carrying earth earthed regulations swa twin twin and earth
    • Replies: 10
    • Forum: DIY Electrical Advice
  19. greenruss22

    UK WT Henley series 4 cutout

    Hi there, I recently had a home rewiring and the electrician spotted we had no earth. It's an old house and it was never added by previous owners. He installed a WT Henley series 4 cutout device for the time being as it was a more cost effective solution. He's wired it up and now the property...
  20. 3

    Using a proving unit to check for dead before removing this contactor. What do I probe on to ? Can someone please describe the tests i.e L1 -Earth.

    • 3phase
    • Thread
    • before check contactor dead earth please probe proving removing someone tests unit using
    • Replies: 8
    • Forum: UK Electrical Forum

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