NEMA EW 4-1982
GRAPHIC SYMBOLS FOR ARC WELDING APPARATUS (WITHDRAWN)

Standard No.

NEMA EW 4-1982

Release Date

1982

Published By

NEMA - National Electrical Manufacturers Association

Status

Be replaced

Replace By

NEMA EW 4-1993

Latest

NEMA EW 4-2009

NEMA EW 4-1982 history

• 2009 NEMA EW 4-2009 Graphic Symbols for Arc Welding and Cutting Apparatus
• 1993 NEMA EW 4-1993 Graphic Symbols for Arc Welding and Cutting Apparatus
• 1982 NEMA EW 4-1982 GRAPHIC SYMBOLS FOR ARC WELDING APPARATUS (WITHDRAWN)