We now Stock Fusebox Afdd's and Hager Afdd's
The AFDD regulations in the 18th edition stipulate a number of instances where an electrician must fit these devices in order to remain compliant. Reg 421.1.7 and see what it says:
AFDDs must be fitted at the origin of any single-phase AC final circuits supplying socket-outlets with a rated current not exceeding 32 A in the following premises:
Higher Risk Residential Buildings (HRRB) The AFDD regulations introduced in March 2022 now place a requirement for installing them in Higher Risk Residential Buildings.
There is no clear definition of what is classed as a high-risk building, however a note underneath the regulation states that this should be assumed to be a residential building which is over 18M or 6 storeys high (whichever occurs first) This is assumed to be a possible response to the Grenfell tragedy.
The New Stock of Fusebox Afdds all have had the firmware upgrade