earth

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  1. S

    RCD Tripping out

    THIS IS FOR ELECTRICAL NEWS ONLY
    • Steffan
    • Thread
    • breaker circuit circuit breaker doing earth out rcd test thoughts trips
    • Replies: 18
    • Forum: UK Electrical Forum
  2. B

    Help with earthing bathroom mirror

    Hi, first time poster. I’ve tried looking everywhere for a solution to this, so hopefully someone can help me. I’m trying to wire my led bathroom mirror, but there are only positions for live and neutral but none for earth (the supply is a typical cable from the wall with live, neutral and...
  3. P

    Earth leakage problem with Karcher pressure washer

    Hi all. Talented amateur here, stage electrician at school 1971 - 74 and have done much DIY electrical work iover the years, including central heating systems. I worked for several years for the residential division of Honeywell Control Systems and wrote many installation and user instructions...
  4. G

    Earth fly lead size & requirement

    Hi all, Hope you are all well and all is good! I am installing a sub board being fed by a 80A SP+N Metal Switch Fuse at source, this is feeding a 25mm 3 core SWA at a length of about 2 meters to the main DB (both boards are metal). I am being challenged in saying that I have to add an earth...
  5. D

    Twin and earth external use.

    Can twin and earth be used in an external twin brick cavity wall? In no way open to the elements.
  6. R

    If all circuits are rcd or rcbo protected max current 150mA why do you still have to install 16mm earth

    THIS IS FOR ELECTRICAL NEWS ONLY
  7. R

    Wife Code for black pvc with separate earth run to socket?

    Morning all, I have been to look at a job this morning to rewire a radial feed supplying two socket outlets off a 20 mcb. The cable from the board is a black pvc 2 core cable(does not look like copper) and has a separate earth run back to the met. I am currently doing my 2392 and hope to start...
  8. R

    Earth bar clamps?

    Hi Do any sparks know of a product that will clamp better to earth bars at consumer units and accessories. I’m getting tired of my croc clips slipping off when testing, especially when trying to zs a light 3 plate. I’m thinking there must be something that will grip around the screw that I can...
  9. N

    Do I need to upgrade my earth bonding under my sink to pass EICR?

    (Rented property) The current bonding under the sink is 6mm - the electrician said it has to be min 10mm in order to pass the EICR. Is this correct? It looks like the wire has been there since the house was built and electrician said he would have to take a new one from the fuse box and somehow...
  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. dokkan1080

    Flats with 10mm twin and earth

    Seen loads of flats are fed from a 60amp isolator in 10mm twin and earth? don't they need to be 16mm tails and at least a 10mm earth? or is it just down to the adiabatic?
  12. 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...
  13. I

    TT system, earth to neutral not tripping RCD

    TT system, Zs on socket circuit is 77.2 down a good bit after I added a second earth rod. When I short neutral to earth RCD doesn't trip. Can anyone help me out and explain please.
  14. A

    Confirming earth bonding continuity when cannot isolate supply

    Hi, just wondering how other sparks, go about confirming main earth bonding continuity when supply cannot be isolated, ze and pfc can be enquired wich is fine but what happens if you cant disconnect main bonding earth, is previous test results good enough to confirm?visual checks good enough...
  15. M

    How come some rcds dont trip when testing voltage to earth

    So I recently installed a new circuit to my loft as a dedicated burglar alarm and cctv circuit. When checking polarity and voltage with my test lamps/voltage indicators it didnt trip the rcd when testing live to earth and neutral to earth. It's an rcbo which works when using the functional test...
  16. G

    Should this light have an earth?

    Hi all I bought this light online, says it's suitable for 240V. The cable it came with only has live and neutral no earth, however as you can see in the pics it has aluminium brackets for mounting, it also has what looks like aluminium backing and screws but these feel like they're made from...
  17. W

    Fluke 1662. Earth spike test

    Hi all. First post. Earth rod question. All work I've done, as a recently qualified DEI has been on tncs. Have a new job with TT. Old earth rod is buried under concrete steps. So I have installed additional visible 2 m rod and run new 10mm earthing conductor. I have a fluke 1662 and recently...
  18. C

    UPS and earth?

    UK. Domestic computer setup with uninterruptible power supply - APC brand devices BK650EI and BK350EI. The manufacturer offers almost no information on earth and I presume that protected appliances are on their own independent circuit. Modest testing (ordinary multimeter) suggests there is no...
  19. C

    DNO earth

    Hey people, My friend just bought a flat which has had a solar PV install in the last couple of years and he wanted me to have a quick look (not that I touch PV) Anyway, I found this: It looks like the guys have rammed the earth up the sleeve on the incomer? I can't see why they wouldn't...
  20. D

    Light switch without earth wire

    Hi everyone, In a bedroom, I have two single light switches that control one light (one by the bed and one as you come in by the door). I am fitting new stainless steel face plates to them. Did the one by the bed first and that had an earth wire connected to the back box so could fix that to...

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