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Would this be a C3 rather than C2

James White

In a light industrial environment (dry food packaging factory) we use an external company to carry our EICR inspections on substations and associated sub distribution and fixed wiring every three years. 
The EICR has identified that there is no evidence of 6 monthly RCD/RCBO functional tests (there are labels stating last RCD instrument test about 2 years ago) and marked this down as a C2, surely this would only be a C3? 
Industrial EICR frequency is recommended between 3-5 years dependent on environment, risk assessment etc. I would accept a C2 if there was no evidence of testing within last 5 years, but surely is a C3 within this period?

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    Interesting one. BS 7671 recommends biannual RCD testing (by user test button) but as far as I recall doesn't require any written records of such to be created or retained. From a wider H&S perspective it's likely to be  very good idea to keep records (if only to cover one's back with the HSE should anything nasty occur) - but I can see an argument that it's not a BS 7671 issue and therefore not something that's even within scope of an ECIR let alone codeable.

       - Andy.

  • 0 in reply to AJJewsbury

    Thank you for your response. We don’t keep records of the functional test, but we record the trip time at 1xI∆n currently within three years but we are looking to test every year. Just don’t agree that undocumented biannual function testing and an instrument test 18-24 months ago is coded as a C2.

  • 0 in reply to AJJewsbury
    AJJewsbury said:
    Interesting one. BS 7671 recommends biannual RCD testing

    Indeed interesting ... some RCDs have "test monthly" printed on them by the manufacturer.

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