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Connecting Multiple Bemco/Ryefield Boards

GHEC
Ok I have a new build project where one Bemco/Ryefield board is not large enough to cover all apartments. 


I will need to install 3 to cover the number of outgoing ways required.


My questions is this. Given that there is one incoming bulk supply, what options are there to split it between the three? I know Lucy do an MSDB with a vertical busbar. Would the DNO accept daisy chaining these together? Or should we use a busbar chamber and tap-off to each board?


Any advice would be gratefully received.
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    The tenants bus bar is part of the un-metered BNO network. The supplies to the Ryfield boards are taken from tap off boxes on the BNO bus bar. Each flat supply comes from a fuse in the Ryfield to a Series 8 head fitted with a " Red Head" solid link for meter isolation to the meter and then a switch fuse. The meters are in the riser cupboard on each floor that the flats are on. SWA cable from switch fuse to the consumer unit in the flats.

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    The tenants bus bar is part of the un-metered BNO network. The supplies to the Ryfield boards are taken from tap off boxes on the BNO bus bar. Each flat supply comes from a fuse in the Ryfield to a Series 8 head fitted with a " Red Head" solid link for meter isolation to the meter and then a switch fuse. The meters are in the riser cupboard on each floor that the flats are on. SWA cable from switch fuse to the consumer unit in the flats.

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