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NCCER 29109 - SMAW - Beads and Fillet Welds How is arc length is measured? from one end of the electrode to the other from the striking area to the ground clamp from the end of the electrode core to the base metal from the end of the electrode holder to the base metal

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The correct answer is: from the end of the electrode holder to the base metal.Arc length is measured from the end of the electrode holder to the base metal. This measurement is crucial for achieving proper weld quality and controlling the heat input during the welding process.