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Discuss Vertical Consumer Unit in the UK Electrical Forum area at ElectriciansForums.net
the chances it needs a 200 amp supply allowing for diversity is almost impossible in a normal sized house which from your description this must be, anyhow you will not get bigger than a 100 amp single phase supply anywhere and if you want 3 phase there will be questions that have to be answered. I have a feeling we are dealing with an inexperienced electrician who has added up all the MCB sizes and got close to 200, it doesn't work that way, I very much doubt you will hit 80 amps, even with an electric hob, oven and shower.Its a 3.5 bed/ 1 living room/1 bath/kitchen/1Wc house.
I've a (large, with private water treatment, ground source heating, workshops....) house I built in Devon many years ago - by the 'add it all up' principle I think from memory it was well into the 5-600's. By diversity this fell to something like 350A. It's been sat on a 100A fuse (nb, with full knowledge of the local DNO engineer as we had to get a pole TX installed for it) since forever with zero ill effects at all.the chances it needs a 200 amp supply allowing for diversity is almost impossible in a normal sized house which from your description this must be, anyhow you will not get bigger than a 100 amp single phase supply anywhere and if you want 3 phase there will be questions that have to be answered. I have a feeling we are dealing with an inexperienced electrician who has added up all the MCB sizes and got close to 200, it doesn't work that way, I very much doubt you will hit 80 amps, even with an electric hob, oven and shower.
Reply to Vertical Consumer Unit in the UK Electrical Forum area at ElectriciansForums.net