​How Should the Conduit or an Extension Be Aligned with the Grooved

question 28

Multiple Choice

​How should the conduit or an extension be aligned with the grooved roller?

• A) ​These parts are preset in the factory and must not be changed in the field.
• B) ​They should be lightly touching the rollers so that the welding current can flow down the wire to the welding gun.
• C) ​½ in.(13 mm) from the grooves in the roller to prevent arcing.
• D) ​Set as close as possible without touching the roller.

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