Consumer Unit proximity to combustible material

Question

Good afternoon 
 We are looking into installing a metal consumer unit within a wooden kitchen cupboard. 
 I was looking through BS7671 but cant find any reference as to how close can the CU be to a wooden surface since the wooden cupboard that would host the CU could be considered as a combustible. 
 Am I missing something? 
 Is there anything in BS7671 I have missed? 
 We are looking at the minimum dimensions that the kitchen cupboard needs to have in order to host the CU. 
 
 Thanks

mapj1 · Accepted Answer

Who has the keys to the cupboard, and is access required for isolation or resetting by the flat hirer ? - When i have stayed in such places on secondments while abroad, the fuse-boards were normally accessible somewhere like an entrance lobby to the flat. Locked away does not feel wise. Equally If it is away from fire and flood risks, the fact it is a kitchen cupboard is neither here nor there. I dont think you will get a sensible regs figure, but all the common steel CUs can be attached to normal non fire resistant partition walls and so on without further ado, so its more about ventilation and for that probably an inch all round is enough. Mike

Consumer Unit proximity to combustible material

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