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Two Distribution boards supplied by one sub-main

AdrianWint

I'm in the middle of a 'discussion' over an EICR in which the contractor is claiming that two distribution boards (in different parts of the building) but fed from the same sub-main (well, split on the outgoing terminals of the supplying switch fuse) is a C2 and needs to be changed.

He is unwilling to supply a regulation which he feels this contravenes and I'm struggling to find such a reg.

What is the opinion of the learned community?

I think this is perhaps not best practice but I'm struggling with his assertion of a C2.

Comments please...... 

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    Electrically what's there might be said to be equivalent to one cable supplying a single DB with twice as many outgoing ways - would anyone code for that?

       - Andy.

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    Electrically what's there might be said to be equivalent to one cable supplying a single DB with twice as many outgoing ways - would anyone code for that?

       - Andy.

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