earth rod

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  1. L

    Earth rod for back up genny

    Hi folks, installing back up gennys not my thing.Cant avoid this one though.Have looked through previous threads.Two things still not entirely clear for me are... 1) Are there any reasons why the homes existing earth electrode wont suffice? 2) If a separate rod is required ,what...
  2. Pretty Mouth

    Is this a genuine earth rod?

    Is this earth electrode a genuine, made-for-the-job earth rod, or is it something improvised? With the 2 nuts clamping the earthing conductor, it's different to anything I've seen before, though I don't come across TT installations often. As you can see, it's very corroded, and returns a Ze of...
  3. HappyHippyDad

    Adding an earth rod IN ADDITION to a TN system

    I have just watched one of John Ward's interesting videos - It all makes sense apart from one of the final points involving adding an earth rod to an existing TN system. Not making a TT, but using the rod in addition to the TN system. This part is at 20 minutes and 8 seconds if you want to...
  4. S

    To bury an earth conductor in a trench under the ducts ?

    Just a bit of a muse at the moment, work won't happen for a while, though I do already have the ducting. We have (what's left of - it was rotten, the storms just finished it off) a greenhouse which we're thinking of replacing with a garden room, man cave, workshop, whatever you want to call it -...
  5. S

    Should a shed have an earth rod?

    Hi everyone, I've been asked to install a consumer unit in a summer house with circuits for light and power. The owner has already laid SWA, buried it, the 20m from main consumer unit, in 6mm. It won't need anything like that though, it'll be supplying a few DIY power tools, maybe a heater and...
  6. F

    Earth rod into limestone

    Evening all. Been to start first fix of a couple of existing farm buildings. The owner has had a brand new 3 phase supply with no earth provided. The issue is the farm buildings have been partially dug into a limestone hillside, no soil of any depth within 10m of buildings. I'm looking for...
  7. HappyHippyDad

    Tingle from earth rod.

    I have just been out for a pre works visit to fit an electric shower. I cant access the CU as it has a cupboard built in the way. It's a TT and when I touched the earth rod whilst clearing the mud out of the way (I wanted to actually see the connection) I got a shock. It was more of a tingle...
  8. B

    Earth Rod install

    Hi all Having to install a earth rod In for a hot tub, hot tub just installed outside the house. I am planning on installing earth rod 100mm from edge of house what are the chances that there will be services below this line. The gas pipe and water pipe are further along the wall about 2M away...
  9. J

    TT stake in outbuilding

    Evening. Came across a shed with armoured 2 core 2.5mm running to it on a TNCS system (RCd protected), with the sheath of the armoured being used as the earth (Shed is only 5m from house); I know this can be acceptable, but I’m adding sockets in the garden and was considering putting in an earth...
  10. captaincaveman

    Earth rod for floodlight spike?

    Sorry in advance. Didn't sleep well last night and my brain has haemorrhaged! Just designing power to a shed with 3 floodlights on the lawn from it (swa underground) and I was going to use some metallic spikes to bolt the lights onto but I'm thinking now that would mean an earth rod having to...
  11. mattg4321

    EICR code for inaccessible earth rod

    Come across this a couple of times recently whilst doing eicr’s. Everything all ok except there is no access to the (presumably) earth rod. The cable just disappears under a patio. Of course it may not even be an earth rod. It could be a plate or something. I’ve been giving these a C3 as I...
  12. Still got Ze of 50.2ohms....

    Still got Ze of 50.2ohms....

    Think this might not be up to expectations
    • ShortSpark
    • Media item
    • earth resistance earth rod
    • Comments: 0
    • Category: Electricians on Video Sites
  13. HappyHippyDad

    Earth rod 'probably' buried under conservatory, which code?

    I have just carried out an EICR. Earthing is TT. A 4mm green/yellow conductor leaves the CU and disappears under the conservatory, I get 158Ω when I do a Ze test. There is a 10mm that goes to both gas and water. ZS tests are around 40Ω 's on sockets/lights. I started a similar thread some...
  14. Mike Johnson

    Earth rod driving stud size

    Can anyone tell me the socket size of the head to a 5/8" Earth driving stud, the bolt that fits into the threaded joiner? Dims across the flats that is...
  15. Mike Johnson

    Earth rod test kit.

    I have miss laid my earth rod test kit so was looking for a replacement and can't believe the cost...
  16. A

    Installing a 5/8" earth rod

    Hi. I have installed a 5/8" earth rod but am having issues with the plastic box cover that sits on top. I purchased one from TLC but it seems too small to fit properly (see photo) Also is there a specific gland to use where the 6mm2 earthing conductor exits the box? I don't want anything...
  17. M

    TT earth rod cable

    Hello, A friend of mine has a garage which is powered from an FCU on a ring final from his house, the garage is a little way from the house and is a TT earthing arrangement (the house PME earth is terminated in a plastic wiska box (where the SWA cable is terminated) and isolated from the...
  18. Electron

    Best EV Charger without Earth Rod?

    Plan to offer installation of EV Chargers, but not interested in using Earth Rods. I can only find two products, Zappi and Podpoint. Are there any others? Who would other EV installers recommend?
  19. L

    Ireland Should I have voltage to my earth rod?

    Hi, I bought a house which I renovated. I stripped out all wiring, all of it. new fuse board, 2 rcd, which I set as up stairs and down stairs. I’ve a ring for; sockets up, sockets down, kitchen white goods, kitchen sockets, lights up, lights down and a single cable to the boiler, one to the...
  20. P

    Happy earth rod day

    No major question really. Screwed in a 2m long M16 stainless rod for earth today and got around 10 ohms which was better than I planned, but not desperately surprising as its clay soil and only a couple of meters above the river's mean level (i.e. water table). Measured Zs extension lead to MET...

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