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NEMA EW 4:2009
Graphic Symbols for Arc Welding and Cutting ApparatusMore info
This publication provides graphic symbols for arc welding and cutting equipment, including those symbols used to identify controls, indicators, connection points, operations, functions, commands, and processes. This publication does not cover graphic symbols used to alert personnel of immediate or potential personal hazards in the use of the equipment.
| Author | NEMA |
|---|---|
| Editor | NEMA |
| Document type | Standard |
| Format | File |
| ICS | 25.160.10 : Welding processes |
| Number of pages | 67 |
| Replace | NEMA EW 4 (1993) |
| Year | 2009 |
| Document history | NEMA EW 4 (2009) |
| Country | USA |
| Keyword | NEMA 4;4 |