: For socket circuits with rated current above 32 A in TN systems, the maximum intervention time is reduced from 5 seconds to 0.4 seconds (or 0.2 seconds in special environments). Residential Safety : The obligation for 30 mA differential circuit breakers
Always verify these tables against the official 2024 PDF—values may have changed from the 2021 edition by as little as 5%, but that can affect cable sizing and safety margins. Norma Cei 64-8 Pdf 2024
Updated to reflect the Construction Products Regulation (CPR) regarding cable fire performance, integrating safety requirements for cable selection and installation. : For socket circuits with rated current above