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Discuss Minor works - Like for like in the Electrical Forum area at ElectrciansForums.co.uk.

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  1. Blaspark
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    Blaspark Regular EF Member

    Location:
    England
    If a like for like change is done but it's not in compliance with the new regs is a risk assessment always required?

    Also where does the "like for like" terminology come from?
     
  2. westward10
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    westward10 In echoed steps I walk across an empty dream. Staff Member Moderator

    Location:
    Northamptonshire
    What have you done and why is it not in compliance with current Regulations.
     
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  3. Blaspark
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    Blaspark Regular EF Member

    Location:
    England
    For example replacing an mcb on a lighting circuit which now requires rcd
     
  4. telectrix
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    telectrix Scouser and Proud of It Respected Member

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    cheshire/staffordshire
    Business Name:
    Telectrix
    that is not like for like. a RCBO is not "like " a MCB., even though it might fit in the same hole. a full test of the circuit and a MWC should be carried out. but i can't see the need for a RA. unless you have H&S numpties aboard.
     
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  5. westward10
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    westward10 In echoed steps I walk across an empty dream. Staff Member Moderator

    Location:
    Northamptonshire
    Why have you replaced the circuit breaker.
     
  6. telectrix
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    telectrix Scouser and Proud of It Respected Member

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    because, according to it's psychiatrist, it needed to change.
     
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  7. westward10
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    westward10 In echoed steps I walk across an empty dream. Staff Member Moderator

    Location:
    Northamptonshire
    Blood and a stone come to mind.
     
  8. Blaspark
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    Blaspark Regular EF Member

    Location:
    England
    This is a hypothetical example.

    A lighting circuit with no rcd protection. The mcb needs changing for the reason specified by telectrix. Now does it need either an rcd or a risk assessment or can that be skipped.
     
  9. telectrix
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    telectrix Scouser and Proud of It Respected Member

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    as i said. a MWC completed for the altered circuit. why a RA? is your company run by snowflakes?
     
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  10. westward10
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    westward10 In echoed steps I walk across an empty dream. Staff Member Moderator

    Location:
    Northamptonshire
    As long as the protective device satisfies ADS and no additions have been made then no.
     
  11. Zdb
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    Zdb Regular EF Member

    Location:
    UK
    Replacing an MCB with another MCB of the same type/rating is like for like. Replacing it with an RCBO is not.

    I would definitely do a MEIW certificate and perform all of the tests if replacing an MCB with an RCBO.

    Some people would even do a full EIC but I think that's OTT IMO.
     
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  12. telectrix
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    telectrix Scouser and Proud of It Respected Member

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    threasd going round in circles. where's buzz when youneed him?
     
  13. Blaspark
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    Blaspark Regular EF Member

    Location:
    England
    The company is ran by curious people.

    18th edition ads is not met without rcd I think because of Reg 411.3.4.

    Mwc says departures may have a risk assessment "where applicable".

    I want to know if this is applicable
     
  14. spinlondon
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    spinlondon Forum Mentor

    Location:
    Harlow Essex
    As far as I am aware, the requirement for a Risk Assessment when omitting RCD protection, is in relation to socket-outlets intended to be used for specific items of equipment.
    The term ‘like for like’ is not used within BS7671.
     
  15. Blaspark
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    Blaspark Regular EF Member

    Location:
    England
    S
    Someone just informed me that "like for like" is a part p term.

    The requirement for ra for socket not rcd protected is specified but I'm talking about MWC which requires one where "applicable"
     
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