Another new consumer unit installation. This was installed in a barn conversion and has SPD (Surge Protection Device) and 15 AFDD’s (Arc Fault Detection Device). AFDD’s like RCBO’s offer overload protection as well as earth fault protection and additionally arc fault detection. Although AFDD’s aren’t strictly required for this type of installation, it was decided together with the customer, that this was the safest possible option for such a high-risk building.