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IEEE/ANSI Y32.9-1972 (R1989)

American National Standard Graphic Symbols for Electrical Wiring and Layout Diagrams Used in Architecture and Building Construction

This standard is a revision of American National Standard Y32.9-1962. It also supersedes the military standard MILSTD-15-3, 30 October 1961. The format has been modified and minor changes have been made in the symbols in order to coordinate the industry and military standards. Appendix A shows revised and deleted symbols from both predecessor documents.

CONTENT PROVIDER
Institute of Electrical and Electronics Engineers [ieee]

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