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Coding, basically!

whjohnson
Assume a scenario where everything else in a domestic property is satisfactory but with the following exceptions -

Consumer unit is plastic but not in an escape route.

Consumer unit is MK 16th ed split load, with single RCD protection on one side but with the mcbs replaced by RCBOs for all circuits on the other side.

No surge protection present, and all other devices function correctly.

Tails are 16mm but there a 60A fuse in the cut out - verified during a meter change recently.


So, what, if any coding should be applied? I am at a complete loss to fail it in any respect.

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  • 0
    lack of surge is a note for me , unless other circumstances.

    obvious c3 for me re the plastic fusebord , but and i say but with tongue in cheek !, the napit code breaker book states a c2 for a plastic db with no thermal or other damage if it’s mounted under the stairs , my opinion is it’s still a c3 if in good order , and that’s the nub bright there , it’s engineering judgement by an inspector who should have the necessary experience and expertise, and in the current market those 2 attributes are in short supply .
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  • 0
    lack of surge is a note for me , unless other circumstances.

    obvious c3 for me re the plastic fusebord , but and i say but with tongue in cheek !, the napit code breaker book states a c2 for a plastic db with no thermal or other damage if it’s mounted under the stairs , my opinion is it’s still a c3 if in good order , and that’s the nub bright there , it’s engineering judgement by an inspector who should have the necessary experience and expertise, and in the current market those 2 attributes are in short supply .
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