This standard applies to connecting devices with screwless-type clamping units primarily suitable for connecting unprepared conductors. This Part 2-1 is intended to be used in conjunction with IEC 60998-1. It was established on the basis of the second edition (2002) of that standard. This second edition cancels and replaces the first edition published in 1991 and constitutes a technical revision. It has the status of a group safety publication in accordance with IEC Guide 104.
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