ASTM B 542 – 04 International standard

Standard Terminology Relating to Electrical Contacts and Their Use1

This preferred is issued underneath the fixed designation b 542; the variety at once following the designation shows the year of original adoption or, in the case of revision, the 12 months of closing revision. More than a few in parentheses indicates the 12 months of final reapproval. A superscript epsilon (e) suggests an article exchange since the closing revision or reapproval.

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