Specifies protective conductor terminal blocks with screw-type or screwless type clamping units primarily intended for industrial applications to form the electrical and mechanical connection between copper conductors and the fixing support and intended to be used in circuits of a rated voltage up to 1000 volt a.c., up to 1000 Hz and up to 1500 volt d.c. This Standard is identical with and has been reproduced from IEC 947-7-2:1995.
