: AFDDs are now mandatory for single-phase AC final circuits supplying socket-outlets (up to 32A) in specific high-risk buildings: Higher Risk Residential Buildings (HRRBs). Houses in Multiple Occupation (HMOs). Purpose-built student accommodation and care homes.
RCDs (30mA) are required for socket outlets (up to 32A) where they may be used by children, disabled persons, or in general-use domestic settings. 18th edition IET wiring regulations. Electric w...
The (BS 7671:2018+A2:2022) is the national standard for electrical installations in the UK. The current version incorporates Amendment 2 (2022) , which became mandatory for all new designs and installations on September 28, 2022. Key Focus Areas and Mandatory Changes : AFDDs are now mandatory for single-phase AC