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Discuss Timeguard rcd socket won’t trip with tester. Help please in the Electrical Forum area at ElectrciansForums.co.uk.

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  1. dnjr
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    dnjr Electrician's Arms

    Location:
    South coast
    Dear All
    Installation tncs. Wyler re-wireable fuses
    I’ve fitted 2 x timeguard rcd sockets to provide protection for extension leads going outside but neither will trip with my tester. Trip fine on test button
    Also trip when I do earth loop test ( fluke tester)
    Socket tester says it’s all ok
    Zs before I changed to rcd socket was 0.45
    Doesn’t trip on ramp test
    Ze 0.21
    What the hell am I missing

    Advise appreciated
    Cheers
     
  2. Strima
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    Strima Electrician's Arms

    Location:
    St Neots
    Circuit IR results?

    Does your test meter trip other RCDs?
     
    • Agree Agree x 1
  3. dnjr
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    dnjr Electrician's Arms

    Location:
    South coast
    Hi strima
    Yep works fine elsewhere. Never used these red sockets before. Wondering if I’m missing something.
     
  4. Risteard
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    Risteard Electrician's Arms

    Location:
    Derry, Ireland
    Business Name:
    Walsh Electrical Services
    I've come across faulty SRCDs out of the box before. Obviously without having seen the installation I can't say that this is the case here but certainly it is possible.
     
  5. Pete999
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    Pete999 Trusted Advisor

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    Location:
    Northampton
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    Do they trip on the test button?
     
  6. dnjr
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    dnjr Electrician's Arms

    Location:
    South coast
    Hi Risteard
    I thought of faulty rid but to have two , one single socket one double would be very odd. I rang timeguard and they said it was possible so am getting two more from wholesaler but don’t expect it to cure it
    To be honest I was expecting someone to rip me a new one and say I’d missed something obvious
     
  7. dnjr
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    dnjr Electrician's Arms

    Location:
    South coast
    Hi Pete

    Yep work on test button

    Also forgot to say. IR tested before I changed them and all good
     
  8. Pete999
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    Pete999 Trusted Advisor

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    Northampton
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    Sounds like a daft question, but, what mA RATING is the socket
     
  9. dnjr
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    dnjr Electrician's Arms

    Location:
    South coast
    30mA
    Doesn’t trip on ramp test either
     
  10. westward10
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    westward10 In echoed steps I walk across an empty dream. Electrician's Arms

    Location:
    Northamptonshire
    Take one home and temporarily connect it and retry.
     
    • Agree Agree x 1
  11. dnjr
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    dnjr Electrician's Arms

    Location:
    South coast
    H
    Evening Westward. Good call. Will do that when I can get back in there
     
  12. Midwest
    Online

    Midwest Electrician's Arms

    Location:
    Oxfordshire
    Agree with Strima, think you may have an IR fault. Have you done that test? Had similar experiences before, RCD not tripping & RCD tripping on Zs test. Both done to IR fault, neutral earth. That said, that was RCD at origin of circuit, but worth considering.
     
  13. Gavin John Hyde
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    Gavin John Hyde Electrician's Arms

    Location:
    Somerset
    Business Name:
    Sulis Electrical Services Ltd
    are they passive or active rcd sockets?
    I had an issue testing rcd sockets before now, they were passive ones, simply didnt always trip on a 1 or 5 x test. They were passive ones, they were a new generic unbranded model out at the time and cheap nasty stuff from far east. I took them back for a refund and turns out they later got recalled as the passive circuitry inside was no good.
    I have heard that passive as opposed to active rcd sockets can cause issues with testing as they have the reset part built in.
     
  14. dnjr
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    dnjr Electrician's Arms

    Location:
    South coast
    These are timeguard active ones. I wondered if they need a ‘special ‘test but apparently not
     
  15. Pete999
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    Pete999 Trusted Advisor

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    Northampton
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    Idn't mean to shout I was on the phone, and doing two things at once confuses me, must be getting old!!
     
    • Like Like x 2
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