7.1 The Gas Tungsten Arc Welding Station
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The typical gas tungsten arc welding (GTAW) outfit will contain the following equipment and supplies:

• An ac, dc, ac/dc arc welding power source.
• Shielding gas supply.
• A shielding gas regulator.
• A gas flowmeter.
• Shielding gas hoses and fittings.
• Electrode lead, workpiece lead, and hoses.
• A welding torch (electrode holder).
• Tungsten electrodes.
• Welding rods.

Optional accessories:

• A water cooling system with hoses for heavy duty welding operations.
• Foot-or finger-operated remote amperage control.
• Arc timers.

Figure 7-1 shows a schematic drawing of a gas tungsten arc welding outfit.

​Figure 7-1
Figure 7-1. A diagram of a complete gas tungsten arc welding outfit.