earth leakage

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  1. R

    5 amp earth leakage?

    Hi all Suggestions please. I’m working on a 3 phase shop install with a bunch of typical circuits. As each cct is energised the earth leakage rises to around 5 amps! It’s a PME supply via SWA with main earth coming from the armour. I’m pretty sure it’s not the individual ccts or appliances...
  2. S

    Lots of earth leakage from ovens

    Hi all, There's 2 single fan ovens in the house my mother recently moved into. Posh elecronic AEG units. It's been sat empty for a year, so the oven elements will have had a chance to accumulate some moisture. There's a dual RCD consumer unit, the ovens are on separate RCDs. One of the ovens...
  3. L

    Earth leakage tripping

    Why my polarity tester is showing earth is leaking after replacing earth leakage which was tripping and there is no power in the sockets. Please help
  4. A

    Earth leakage from unknown source.

    I'm new to this but stuck with an issue, so I'm looking for some help wherever possible. I have just completed a rewire, which I have a potential difference of 60v between MET and disconnected mains earth. It's an RCBO board with type 2 SPD. I have fully tested the installation and have greater...
  5. S

    extension leads - earth leakage

    Hi all, I can't understand why but I always get a small (minimum 0.06mA) earth leakage reading on extension leads (even without surge protection). Is this normal? If it is, please could someone explain how earth leakage occurs on a simple extension lead? Thanks
  6. J

    Earth leakage clamp meter

    I recently borrowed one of these to diagnose an earth leakage problem, and it was very useful: 560 60A Digital Earth Leakage Clamp Meter - https://www.cef.co.uk/catalogue/products/4131796-60a-earth-leakage-clamp-meter Before I go out and buy one for us, I wondered if anybody can recommend...
  7. R

    Earth leakage high on oven but no trip?

    Morning, Customer has a intermittent trip which I am trying to locate. 4 circuits on rcd. Two rings , cooker and hob and one I cannot find actually powers anything as yet. Rings test fine and cooker circuit is okay continuity and I/r. I have put my earth leakage clamp on tails and when I go...
  8. C

    Earth Leakage Clamp Meter

    Hi everyone, Any suggestion for an Earth Leakage Clamp Meter within a reasonable price?
  9. S

    Earth leakage

    We have measured 50mA earth leakage from an oven.but during we touch the metal surface we do not receive shock :D how?
  10. J

    Earth leakage

    Is there any guides on how much earth leakage is acceptable in an industrial setting ie MCC. The reason i ask is it seems to be most sites have a degree of leakage which I’m not sure is due to many VSDs being used but recently a panel I saw had 0.6amps leakage but the motor starter was all good...
  11. L

    Earth leakage meter.. Do I really need one?

    While waiting for a reasonably priced earth leakage clamp meter that will do both AC and DC leakage, I find myself asking the question which is the title of this post.And so tonight (been prompted by "Listers" Post) I thought "why not ask the forum? I have to date never not solved any faults to...
  12. L

    Intentional earth leakage

    Just thinking out loud. IEL (intentional earth leakage) is already having a significant impact on domestic socket circuit design. It's impact is going to continue to increase as virtually every apiance incorporates electronics. RCBO populated DB, s will become increasing necessary to cope with...
  13. S

    RCD earth leakage meter.

    Hi all, looking for recommendations for an earth leakage test meter for RCD work that doesnt cost a fortune. Thanks in advance.
  14. G

    Earth leakage circuit breaker

    From a brief bit of Internet research my understanding is earth leakage circuit breakers monitor voltage on the CPC rather than an inbalance in current between L &N as an RCD does. Is this correct?
    • goasis
    • Thread
    • breaker circuit circuit breaker earth earth leakage leakage
    • Replies: 18
    • Forum: UK Electrical Forum
  15. 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...
  16. W

    Earth leakage clamp meter

    Hi It’s a bad setup but I went for a call out in the night in a residential unit. There’s a rcd in its own enclosure feeding a 14 way board that had tripped. I reset it didn’t trip. I passed 2 mornings later and still hadn’t tripped. Whilst there on first visit I stuck my earth leakage clamp...
  17. G

    typical earth leakage values

    hi all, If there is such a thing as 'typical' values, what, in your experience would you consider these to be from equipment such as pc's and other IT, washing machines and any other significant sources? thanks
  18. Z

    Fluorescent light fittings earth leakage

    Hi everyone, I have measured an earth leakage on twin Flo light fittings (2x58W fittings) in open plan office. Office has 18x twin Flo light fittings which are divided into 3 separate circuits, and 3x (10A) RCBOs for each circuit. I have reading of 3mA at each light fitting. 2x circuits are...
  19. E

    UK Earth leakage issues.

    Hi all. Im looking for some help regards a massive earth leakage issue in a new i installation Its a little more complicated than this but its hard to explain. New board 16 way tails splits due to old board still i operation for new few weeks. Large 4 bed house. Pme system. Earth verified...
  20. HVManiac

    Is there a potential earth leakage or is it something else?

    I'm facing an electrical issue in my house since last Christmas. When the lights or appliance with motor in any room are turned off/on the TV would go out and come back on in a short span (as if the power went out and came back in a second). I recently had some mishaps where my two older PCs PSU...

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