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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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  • Former Community Member
    0 Former Community Member

    i thought that the regs are not retrospective, so it should be listed as recommendations to comply with current regs, but should be inspected under the regs that were current when the installation was completed. for example, the cable colours have changed, but would that be a reason to rewire??   

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  • Former Community Member
    0 Former Community Member

    i thought that the regs are not retrospective, so it should be listed as recommendations to comply with current regs, but should be inspected under the regs that were current when the installation was completed. for example, the cable colours have changed, but would that be a reason to rewire??   

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