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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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    You have to discuss it with the customer. A single RCD in the tails is perfectly compliant and costs £30. Why all this “RCBOs SPD New CU etc”? It may be a bit inconvenient, but IF you have done the EICR correctly, it will only trip if there is a significant problem. It has never been a requirement to “update” every installation in the country at each amendment", if it was then JPEL/64 would be subject to legal and intense scrutiny for “vested interests”. The landlord legislation is very badly drafted, although the intention may be good.  

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  • 0

    You have to discuss it with the customer. A single RCD in the tails is perfectly compliant and costs £30. Why all this “RCBOs SPD New CU etc”? It may be a bit inconvenient, but IF you have done the EICR correctly, it will only trip if there is a significant problem. It has never been a requirement to “update” every installation in the country at each amendment", if it was then JPEL/64 would be subject to legal and intense scrutiny for “vested interests”. The landlord legislation is very badly drafted, although the intention may be good.  

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