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RCD Protection For Old Installations

Former Community Member
Former Community Member

Hey there, 

Would like to hear your thoughts on the case. 

If the installation from the 70s or 80s with old mem board has no rcd protection for neither sockets nor lights (with metal front plate switches, which are connected to CPC), taking into consideration that the installation was working cheerfully since the old days till today and all Zs values are within the range of the installed breakers and overall good condition. Would this require an upgrade to rcd protection as of the 18th edition or would class as C3 as of best practice guide 4 suggest on eicr? 

How would you approach the situation?

Regards, 

Karolis

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    It's never been the case that you apply the regs that were in force at the time of install. Otherwise you would have to say that an old installation untouched since the 1920s is perfectly fine.

    An EICR is supposed to list in what ways the installation isn't up to current regs. The only debate is what coding to give each compliance - chiefly whether it's the C3 “not current, but don't worry too much”, or a C2, which is a fail and in various situations like rented accommodation, may impose financial burdens on the landlord and inconvenience on the tenants.

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  • 0

    It's never been the case that you apply the regs that were in force at the time of install. Otherwise you would have to say that an old installation untouched since the 1920s is perfectly fine.

    An EICR is supposed to list in what ways the installation isn't up to current regs. The only debate is what coding to give each compliance - chiefly whether it's the C3 “not current, but don't worry too much”, or a C2, which is a fail and in various situations like rented accommodation, may impose financial burdens on the landlord and inconvenience on the tenants.

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