Recently we have been asked to install new cabling from an existing DB board (which is very old BS88 style fuses). I have been told that in order to certify the work then we have to change the DB board. Is this absolutely correct, are there circumstances where you can add cables(s) to existing DB board and ensure your work/modifications are 18th Edition compliant? Otherwise when cabling for new kit was required then installations would have to change DB boards on regular occurrences. I would imagine there are circumstances that this would be deemed not realistic or practicable (which seems to be the expression used). On this occasion its a 3ph DB board. Could any of you comment on your experiences in this area please?

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Old Distribution Board and Present Certification

Recently we have been asked to install new cabling from an existing DB board (which is very old BS88 style fuses). I have been told that in order to certify the work then we have to change the DB board.

Is this absolutely correct, are there circumstances where you can add cables(s) to existing DB board and ensure your work/modifications are 18th Edition compliant?

Otherwise when cabling for new kit was required then installations would have to change DB boards on regular occurrences.

I would imagine there are circumstances that this would be deemed not realistic or practicable (which seems to be the expression used).

On this occasion its a 3ph DB board.

Could any of you comment on your experiences in this area please?

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0 Les Spiteri over 4 years ago

Thanks Dave, so I think you are saying that just because it is old does not mean it cant be certified to 18th Edition.

However other circuits are fed from here, in our case a local 3ph socket, for 18th I suppose this has to be RCD protected. My confusion is that if we do not change the board and only replace the cable to the motors then how can certification be achieved?
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0 Les Spiteri over 4 years ago

Thanks Dave, so I think you are saying that just because it is old does not mean it cant be certified to 18th Edition.

However other circuits are fed from here, in our case a local 3ph socket, for 18th I suppose this has to be RCD protected. My confusion is that if we do not change the board and only replace the cable to the motors then how can certification be achieved?
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Old Distribution Board and Present Certification

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