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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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    The landlord regs as written are absolute - the house must at all times comply with BS 7671:2018; and if an EICR shows any deviation, it must be fixed within 28 days (so implicitly including C3's). This is of course stupid, so the government guidance backtracks and says it doesn't have to be perfect (so by implication you can ignore C3's). So as long as the landlord isn't in the LA's bad books, ignoring C3's is probably ok.

    The writer of the EICR has a completely subjective choice about whether to code deviations from the current regs as as C2 or C3. There is no right answer. The current regs say nearly everything needs RCDs; older regs say sockets likely to be used for outdoors need RCDs; older-still regs don't require RCDs. 

    If the EICR writer is aware that the report is for a landlord, then that may help influence their choice of C2 vs C3 - i.e. “is this something that the landlord deserves be fined for if not fixed within 28 days?".

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  • 0

    The landlord regs as written are absolute - the house must at all times comply with BS 7671:2018; and if an EICR shows any deviation, it must be fixed within 28 days (so implicitly including C3's). This is of course stupid, so the government guidance backtracks and says it doesn't have to be perfect (so by implication you can ignore C3's). So as long as the landlord isn't in the LA's bad books, ignoring C3's is probably ok.

    The writer of the EICR has a completely subjective choice about whether to code deviations from the current regs as as C2 or C3. There is no right answer. The current regs say nearly everything needs RCDs; older regs say sockets likely to be used for outdoors need RCDs; older-still regs don't require RCDs. 

    If the EICR writer is aware that the report is for a landlord, then that may help influence their choice of C2 vs C3 - i.e. “is this something that the landlord deserves be fined for if not fixed within 28 days?".

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