Only relatively new (past 20 years or so) buildings in the UK are required have GFCIs (called RCCBs in the UK) on every circuit. Older installations can be ret

Only relatively new (past 20 years or so) buildings in the UK are required have GFCIs (called RCCBs in the UK) on every circuit. Older installations can be retrofitted but there is no requirement to do so.