scope:

This standard applies to connecting devices as separate entities for the connection of two or more electrical copper conductors (complying with IEC Publication 228) rigid (solid or stranded) or flexible, having a cross-sectional area of 0,5 mm² up to and including 35 mm² and equivalent AWG conductors with a rated voltage not exceeding 1000 V a.c. up to and including 1000 Hz and 1500 V d.c. where electrical energy is used for household and similar purposes. Connecting devices complying with this standard shall not require the use of special tools, other than for twist-on connecting devices. This standard contains the general requirements to be used together with the parts 2, containing detailed particular requirements.