EW 4 Goes Global


Joe Welder isn’t the only thing that’s been going global lately.  NEMA has just published the EW 4-2009, providing the standard for graphic symbols used in welding and cutting in the U.S.  The only difference: now it includes all of the symbols recognized internationally by the IEC TC 26 so that everyone can be, quite literally, on the same page.

NEMA Publishes Standard for Graphic Symbols for Arc Welding, Cutting Apparatus

  • Mar 11, 2009

The National Electrical Manufacturers Association (NEMA) has published EW 4-2009, the first new edition in 15 years. This standard provides manufacturers and users of arc welding and cutting equipment with a system for the development and use of graphic symbols for use on their equipment. It accommodates non-English speaking and functionally illiterate workers in the United States.

In addition, globalization of the welding and cutting industry also has expanded, making it necessary for U.S.-based manufacturers to design and mark their products in a way that is more easily understood by a more linguistically and culturally diverse customer base. As a result, the new edition of EW 4 contains all pertinent graphic symbols recognized by IEC TC 26, the international standards committee for electric welding and allied processes.


You can go to NEMA’s website to download or purchase your own copy of the EW 4-2009.


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