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earthing

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  1. L

    Confused at Standby Generator earthing.

    Dear All I have read several posts but still confused. I hope someone can shed some light on the Regs. 1. The Incoming Power Supply from the Utility to a Plant is 3 Phase (4 wires) TT Earthing System. If a Standby Generator says 100 kVA (3 phase +N) is installed at the Plant with an Automatic...
  2. Siviwe Nkosana

    How to install an earthing system

    How can i wire an earthing system if I am installing a single phase panel board? Basically what/which type of earthing do you recommend?
  3. T

    UK Earthing Arrangement

    Can anyone help, i had a new combi boiler fitted last year and they used mainly plastic fittings to make there connections, i have attached a photo below my question is where should my 10mm earth bond go , the incoming water pipe is made of lead, do i simply bond the 10mm earth to the incoming...
  4. N

    SUMMER HOUSE EARTHING

    HELLO I would like to know if i install summer house ,then i would put earth spike next to the house! in this case can i use the main supply earthing (tn-s or tncs) to connected to summer house fuseboard? if i put earth rod then can i connect that earth tail to the summer house fuseboard aslo...
  5. N

    size of earthing conductor from switched isolator to CU

    Domestic single phase supply, TNCS, 25mm tails. From supply to Fused switched isolator : Earthing conductor is 16mm. From isolator to CU : Earthing conductor downgraded to 6mm for what ever reason I don't know. Is there something in the regs that says after an isolator the conductor can be...
  6. M

    Earthing Problem?

    Hi Guys, First post here and I am encountering a very weird issue I havent seen before and am struggling to work out. I recently did a few upgrades at a home including a new DB and earth stake. The home is split with half power run under the home and half power and lighting run above the home...
  7. Nightmer

    UK Earthing a vintage brass lamp to the lamp base

    I have a couple of old metal/brass lamps to which adding an earthed lampholder would be tricky (either the entry for 3 wires is VERY small or the lamp holder is integral to the lamp and is original). All of these lamps have a screw within the base which appear to be for an earth wire - is this...
  8. L

    Earthing Question

    A plumber removed the old kitchen tap & replaced it with a new one. The old tap & its old earthing is shown in the attached pics A & E. Pics of the new flexi hoses & isolation valves shown in the attached pics B & C underneath the kitchen sink. There was a joined earthing connection attached...
  9. M

    House Earthing TN-S or TT....

    ....TN-S appears outside, butt TT employed inside. Good Evening Everybody (This is my first post) Overview: The supply to my parent's cottage consist of an overhead line of three individual cables. Originally, the supply drop from the final pole to the house also consisted of three cables...
  10. B

    Uk Lamps

    Hi, I recently bought 2 lamps from eBay, when they arrived they had European plugs, when rewiring the plugs to UK plugs I noticed the wiring is only 2 gauge and has no earth. This concerns me as the casing for the lamp is made from eBay appears to be metal/ brass! Also there is a what looks to...
  11. G

    Swa earthing

    Hi all hope everyone is keeping ok under the current circumstances, I've got a 6mm swa to my garage cu, its glanded to plastic cu but no earth to armoured if I put a banjo on to it and crimp a cpc to banjo what size cpc cable do I need to use ? Still learning so any advice appreciated, Also no...
  12. E

    Electrostatic Earthing

    Looking for advice involved in Earthing & Bonding in decanting of Flammable liquids. Any electrician been hands on in chemical manufacturing .Thanks in advance.
  13. S

    summerhouse/shed supply earthing

    Hi guys, widely covered topic but still a lot a mixed opinions/interpretations. I have scoured the BS7671, on site guide and the internet is search of anything black and white. I'm not looking for somebody to tell me how to do anything, just some experienced opinions on what appears to be a...
  14. L

    Earthing am2 advice

    Hi guys can someone tell me what the triangle symbols mean on the earth bar as i terminated my water and gas 10mm bonding conductors into them and failed my am2 because of it ? Thanks
  15. N

    strange earthing problem (lighting)

    Right, so its been one of those long days. swift breakdown: top floor flat. lighting cable is single cores in a conduit system. was employed to install downlights in 2 rooms. Really bizarre one for me, ive never encontered nything like this before. So i tested the original fittings in these...
  16. M

    UK Earthing a V2G Electric Car Charger with a earth rod

    Hi I am new to the forum and looking for some advice. I was supposed to have a vehicle to grid car charger installed last week. But they couldnt get a suitable earth from the earth rod. The earth rod reasing was 384 ohms. They're saying I need a marconite pit. the reading has to be below 100...
  17. L

    Help with earthing circuit

    Hi everyone I'm a DIYer with little electrical knowledge looking for some advice I'm currently building a sterilisation cabinet with a UVC light in it. The cabinet is a Wooden box with a hinged lid I plan to use a microswitch to cut the uv lamp when the lid is opened. Am I correct to think I...
  18. M

    TT Earthing and Cut outs

    Installed a MK 18th edition duel board and went to test what looked like a TNS system but the ohms were 2-4. Had the supplier check for PME options but it reads .9, so they have told the customer get an earth rod installed. As we now have a metal enclosure needed and whether i install a 30mamp...
  19. N

    types of earthing to be carried out for 3 phase standby generator which is separately driven system

    3 phase standby generator of rating 30KVA is to be install in the lightning prone area. The utility main line is TT arrangement where neutral point is grounded with 3 phase and neutral wire provided to load system. A separately driven generator ( standby generator) is also needd with TT...
  20. P

    UK Earthing system

    Can somebody tell me what type of earth and where is it connected to ground. Can I have an independent earth bonded to ground for my Amateur radio equipment? Will this earth need to be connected to the domestic earth, if so can it be connected via an RF choke to prevent feed back to domestic...

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