IEC 60999:1990 Connecting Devices - Safety Requirements for Screw-Type and Screwless-Type Clamping Units for Electrical Copper Conductors (Edition 1.0; CENELEC EN 60999: 1993; Corrigendum-1995)
1990IEC 60999:1990 Connecting Devices - Safety Requirements for Screw-Type and Screwless-Type Clamping Units for Electrical Copper Conductors (Edition 1.0; CENELEC EN 60999: 1993; Corrigendum-1995)