| Definition: | minimum distance in air to be maintained between any part of the body of a worker, including any object (except tools appropriate for live working) being handled directly, and any part(s) at different electric potential(s) Note 1 to entry: The minimum approach distance is the sum of the electrical distance appropriate for the maximum nominal voltage and of the selected ergonomic distance. Note 2 to entry: This entry was numbered 651-01-20 in IEC 60050-651:1999. It has been modified as follows: The preferred term has been changed.
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