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I'm due to start working in a building which houses lots of flats over 6 floors with 2 internal communal stairs. I'm due to replace 13 ceiling lights per floor/stairs from a halogen bulkhead to a ELD 17w LED microwave/emergency bulkhead.

Each floor is fed from a Square D B6 QOE MCB on a 3 Phase board.

Regulation 411.3.4 requires that all luminaries within domestic (household) premises are to have additional protection by a 30 mA RCD when installed in an AC final circuit. Note that the regulations refer specifically to "domestic (household) premises"

My question is, would you suggest that these bulkheads require RCD protection? I suppose its up to interpretation of the regulation, although they are within a domestic environment under Part P and the Building Regs would you suggest that the communal parts constitute a "domestic (household) premises".

The only RCBO's that I can find that are compatible are £60 a pop and ill need around 10 of them otherwise i'd just stick them in anyway.
 
what he says ^^^^^.
 
It’s the circuits which require RCD protection not the lights.
It’s the opposite to sockets.
If you were to extend or alter the wiring, then yes RCD protection would be required.
 

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